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Digital technologies help revitalize ancient city wall in NW China
By Yuan Taoxiong, People’s Daily
Digital technology-assisted conservation of ancient city wall in Xi’an, northwest China’s Shaanxi province, was recently listed among the top-10 cases of digital innovation in the Chinese culture and tourism industry of 2022.
Assisted by digital technologies, the ancient city wall in the Chinese city is showing its attractiveness in more diverse aspects.
The ancient ramparts trace back to more than 1,400 years ago. As the city develops, they are now surrounded by busy commercial districts, and there are metro lines that cross them underground.
The conservation of the city wall is about not only the wall itself but also its wooden annexes and the city moat. Today, the digital technologies that are employed to protect the city wall are like sentries that never feel fatigue.
On the path over the Yongning Gate, the south gate of the ancient city wall, there are three small cylinders every few dozens of meters.
“They are vertical in-place inclinometers, which are able to precisely monitor the horizontal displacement of the inner wall of the barbican at the gate,” said Xie Zhiyuan, who works for the management committee of the Xi’an city wall.
According to Xie, devices are installed in all sections of the city wall that stretches 13,74 kilometers to monitor the safety of the wall and annexes.
“We have designated 31 underwater monitoring sites along the moat and set up vibration monitoring points at the gates that metro lines cross. These digital devices offer massive data and lay a solid foundation for targeted conservation of the city wall,” said Gao Heng, head of the cultural relics preservation and tourism department of the Xi’an city wall management committee.
Based on the data collected by the devices, the management committee built a warning system that sets four warning thresholds for the settlement and cracking of the city wall, Gao told People’s Daily, adding that response measures will be taken according to different levels of warning.
From adopting simplistic and palliative approaches to taking preventative measures, Xi’an’s city wall conservation has gone through fundamental transformation with the assistance of digital and information technologies, Gao said.
“We’ll further exploit 3D-scanning and automatic monitoring technologies to extend the life of the city wall,” Gao noted.
“It’s so high,” shouted tourist Zhao Yan, wearing a virtual reality (VR) headset and closely holding the hands of her friend. A drone had already flown far outside the glass ceilings above her head and begun filming the magnificent view of the city wall from above.
Apart from bikes, electric bikes, and rowing boats, VR drones have expanded the options for sightseeing along the city wall.
According to an employee of the city wall scenic area, the drones are remotely controlled by a cloud platform and very popular among tourists.
At the information center of the Xi’an city wall management committee, there’s a big screen that shows real-time passenger volume, temperature, and other statistics. The center has a big data management platform that is connected to over 1,000 sets of security equipment, which are able to monitor cultural relics preservation, record passenger flow, and perform other monitoring tasks.
“It’s necessary to upgrade cultural and tourism resources with digital means. Intelligent transformation of scenic spots brings newer experiences to tourists and makes management more efficient,” said Su Ning, general manager of Xi’an Qujiang City Wall Tourism Development Company Ltd.
Today, the development of online museums is creating opportunities for tourists who cannot make in-person visits.
A relics museum near the Hanguang Gate of the Xi’an city wall has made a digital replica of itself in a mini program based on 3D data capture. It also developed a H5 game that has aroused the interest of many children in the city wall.
“Novel digital cultural products can better enhance the public’s sense of identity for and pride in traditional culture. We’ll keep working to find what tourists like based on digital information and better promote and display cultural relics with digital technologies,” Gao said
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Lawyer Demands Release of Detained Kano Blogger, Maryam Shehu
By Hassan Agboola
A lawyer and human rights activist, Hamza Nuhu Dantani, has called for the immediate release of Kano-based blogger, Maryam Shehu, who he said has been in the custody of the Economic and Financial Crimes Commission (EFCC) for almost 30 days.
Dantani, in a statement on Monday, said the prolonged detention of Shehu was becoming difficult to reconcile with the rule of law and provisions of the 1999 Constitution, particularly her fundamental right to personal liberty.
He questioned why Shehu should remain in detention for nearly 30 days, particularly over an offence he described as ordinarily bailable.
“How on earth can a person be detained for almost 30 days and counting, particularly in relation to an offence that is ordinarily bailable, without meaningful consideration of her liberty and constitutional rights?” he asked.
Dantani said the EFCC’s powers to investigate did not give the commission the right to detain a suspect indefinitely, punish her before trial or disregard her fundamental rights.
He also criticised the alleged practice of photographing persons in EFCC custody and publishing their images online while they remain presumed innocent.
Citing Section 36(5) of the Constitution, Dantani said the law guarantees the presumption of innocence until a suspect is proven guilty by a competent court.
He warned that publicly portraying suspects as criminals before trial could amount to subjecting them to public punishment and humiliation.
“The EFCC is a law-enforcement institution. It must therefore be the first institution to demonstrate obedience to law. It cannot demand respect for law from citizens while appearing to disregard constitutional safeguards itself,” he said.
Dantani urged the commission to either charge Shehu before a competent court if it has credible evidence against her or release her immediately
.
“We call on EFCC to respect the Constitution, respect presumption of innocence and respect fundamental right to personal liberty. Investigation is not conviction. Detention is not punishment. And an allegation is not guilt,” he said.
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Cristiano Ronaldo’s Comment on Lionel Messi’s Tribute to His Dad Becomes Most-Liked Instagram Comment
By Fabian Apechihin
Cristiano Ronaldo’s heartfelt message to Lionel Messi following the death of his father, Jorge Messi, has reportedly become the most-liked comment in Instagram history.
Jorge Messi died on August 7 in Rosario, Argentina, aged 68. Five days later, Messi paid tribute to his late father in an emotional Instagram post featuring a photo of the pair.
In the post, Messi wrote, “Te amo, pa” — meaning “I love you, Dad” — alongside a lengthy tribute reflecting on his father’s influence and the pain of losing him.
Among the many reactions from fans, celebrities and fellow footballers was a message from Ronaldo.
“Un abrazo enorme para ti y los tuyos en estos duros momentos, Leo. Mucha fuerza,” Ronaldo wrote, which translates to: “A huge hug to you and yours in these tough times, Leo. Much strength.”
Ronaldo’s comment reportedly attracted more than 6.86 million likes and over 86,000 comments, making it the most-liked comment on Instagram.
The previous record was also held by Ronaldo, whose comment on Kylian Mbappé’s announcement of his move to Real Madrid reportedly received more than five million likes.
Other football stars also expressed their condolences to Messi. Neymar Jr.’s message, translated as “Much strength for you and your family. Big hug,” reportedly received more than 1.6 million likes, while David Beckham’s comment expressing support for Messi and his family attracted more than 300,000 likes.
In his tribute, Messi described his father’s death as difficult to comprehend, saying he struggled to accept that he would no longer see or speak with him.
Messi also recalled how his father had encouraged him to play at the 2026 World Cup despite his deteriorating health. He said his father had hoped to watch him compete and had planned to travel if his condition improved.
According to Messi, he had promised his father that Argentina would reach the final so he could be there. Although Argentina reached the final, his father was unable to attend.
Reflecting on the loss, Messi said he had wanted to win the tournament and bring the trophy to his father but ultimately struggled physically during the competition.
The emotional tribute highlighted the close bond between Messi and his father and the profound impact of his loss on the football superstar.
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Why Did Senate President, Edo Governor Come to Osun to Monitor Election? – Analyst
By Fabian Apechihin
Aliu Mohammed, Chief Executive Officer of Magnate Communication and Public Affairs Analyst, has questioned the decision of Senate President Godswill Akpabio and Edo State Governor Monday Okpebholo to travel to Osun State to monitor the governorship election.
Mohammed raised the question while discussing political developments surrounding the election during an interview with Vanguard News TV on Tuesday, August 18, 2026.
The public affairs analyst wondered why senior political figures, including the Senate President and a governor from another state, would personally travel to Osun to monitor the election when the All Progressives Congress (APC) already had party officials on the ground to represent its interests.
“Why would people at the level of Senate President, the Governor of Edo State, come to Osun State to monitor an election when you have your party officials there?” Mohammed asked.
His comments came amid discussions about the involvement of senior APC figures in the Osun governorship election. Their presence in the state attracted attention as political parties and their supporters monitored the voting process and awaited the outcome.
Mohammed questioned the necessity of having the Senate President and the Edo State Governor physically present in Osun to observe the electoral process.
He argued that party officials ordinarily have the responsibility of monitoring elections and representing their parties at polling locations and other relevant stages of the process.
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