A man in southwestern China has been detained after he skydived from the top of a high-rise building in a residential community.According to a statement by the police authority of Chenghua district in Sichuan province, the 23-year-old man, surnamed Ren, skydived from the top of a tall residential building at 11pm on June 30 in an effort to boost traffic to his social media account.He shared the footage of his extreme sport activity online the next day, the Qilu Evening News reported.The video...