Who is to blame for Chinese rooftopper's dramatic death?
(CNN)A video circulating on Chinese social media shows a young man preforming chin ups while hanging from the side of a 62-story building in the city of Changsha -- no safety harness, no ropes, nothing.
As the film continues, he struggles to pull himself back up onto the roof, as he's done many times before in dozens of videos. He pauses for a moment, looks down and then falls.
Wu Yongjing, whose nickname on Chinese social media was "the Extreme," is a casualty of the international daredevil trend known as "rooftopping," which has taken off across China where a ready prevalence of newly built skyscrapers has combined with a boom in social media apps.
Photos posted to Wu's Weibo account in September and October 2017.
In response to Wu's death on November 8, an editorial in state media China Daily called for greater supervision of livestreaming apps in China.
"Had Wu not been so popular on livestreaming apps, he might not have died ... Some of them try to hype things up with obscene and dangerous things, and their purpose is to attract more eyeballs and make a profit. It is time we ended this," the article published on Tuesday said.
Not everyone does extreme stunts on the very edge of buildings. Some rooftoppers just like to take photos from stunningly tall, often newly constructed buildings, which they often enter without permission, but others like 26-year-old Wu take things a step further.
His previous videos show him hanging off the edge of glistening skyscrapers supported by just his hands. Sometimes he does pull ups.
But Chinese rooftopper Claire, who asked us to not to reveal her last name, told CNN she doesn't just blame Wu's risk-taking for his death -- instead, she says the companies who sponsor rooftoppers are also to blame.
"These companies will pay money to the video-makers," she said, if the rooftoppers will allow that company to advertise on their videos.
"If you sign a contract with them, they'll pay for your tickets and accommodation and everything to fly you to another city to do crazy things. And they state clearly that they are not responsible for any casualties if there ever was one."
Claire doesn't do anything as extreme as Wu, although images on her Instagram account attest to her penchant for danger.
Wu's family were quoted in local Chinese media Beijing News saying he had been offered 100,000 yuan to produce a viral video, which he was going to put towards his wedding.
His parents told Chinese media they didn't know what he was doing. They thought he was trying to become an actor.
Social media and skyscrapers
Rooftopping as a hobby didn't start in China -- it's been around as part of social media for years.
But according to Beijing-based journalist Dominique Wong, it's only recently become a trend inside China, due in part to the long-term ban on many Western social media sites such as YouTube. "A lot of Chinese people weren't really being exposed to the idea of it and images depicting it," said Wong.
Why I climb insanely tall buildings with my bare hands
Claire said she thought China's rapid economic growth, mixed with the rise of social media, had combined to spark at interest in the risky hobby.
"The rise of skyscrapers really served as the soil and foundation of the environment. The spread of social media made success or recognition more attainable, which is tempting for individuals," she said.
Rooftopper Daniel Lau, who spoke about his hobby to CNN in 2015, has 116,000 followers on his Instagram account. Wu's Weibo account has grown to more than 60,000 followers since his death.
For Claire, she said she got into rooftopping after suffering from depression. Standing on top of Beijing's partially abandoned Guoson Center, the city spread out around her, she said she felt "healed."
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"On top of a building you can't think of anything else, which squeezed out my depression somehow ... The thrill is big enough to occupy your mind," she said.
Wong said a lot of the Beijing rooftoppers she has interviewed previously had their interest sparked during a dark time in their lives.
"For a lot of them they also find it just thrilling. It's not always a spiritual thing or a therapeutic thing for all of them. One of the more risky guys, for him it was purely more about the challenge," she said.
Is it worth it?
A 25-year-old Hong Kong rooftopping photographer, who asked not to be named, told CNN in the wake of Wu's death some of China's rooftoppers were likely to reconsider their hobby.
"It was sad among the people who are close to this. And it's kind of a signal to make you think is everything you are doing worth it or not?" he said.
The photographer, who is part of the rooftopping community, said he just climbs buildings for the beautiful photos he can take, rather than the thrill factor.
"It's okay if you know you should be careful and responsible when you take pictures, don't do it as a cool thing to do," he said.
Photos: Why I climb insanely tall buildings with my bare hands
Exthetics – Lau co-founded Exthetics in 2014, with Dex Ng and Lawrence Tsui, to document their urban exploration trips to abandoned buildings and rooftops.
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Photos: Why I climb insanely tall buildings with my bare hands
State of mind – Lau says rooftopping is more about outdoing himself, rather than being a daredevil. "For me it's rooftopping, for others it could be anything," says Lau. "It's a state of mind to me."
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Photos: Why I climb insanely tall buildings with my bare hands
Best moment – The best moments for Lau are the time he's explored a place ahead of other climbers.
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Photos: Why I climb insanely tall buildings with my bare hands
'Know your limits' – He doesn't encourage other people to join his obsession. "Anything involves risks, but you're the one who should take responsibility of yourself." "Always evaluate yourself when you're climbing. Even going back to the same rooftop, having different energy levels or an empty stomach could make a big difference."
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Photos: Why I climb insanely tall buildings with my bare hands
Other destinations – The team has rooftopped in different cities around the world. Conquests include Shanghai's Ping'an International Financial Center, the tallest building in China and the second in the world. They've also climbed Bagkok's Sathorn Unique Tower, the world's tallest abandoned building.
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Photos: Why I climb insanely tall buildings with my bare hands
Rooftopping – Daniel Lau recently lit up Chinese media by taking a selfie from above the fourth tallest building in China, the 450-meter Zifeng Tower in Nanjing, alongside notorious rooftoppers from Russia Vladimir Sidorov and Ivan Kuznetsov.
