Evergrande founder Hui Ka Yan, from property tycoon to life in jail

By Clare Jim HONG KONG, Aug 20 (Reuters) - Mingling with power brokers at the Chinese Communist Party's centenary celebrations in 2021, a beaming Hui Ka Yan betrayed no sign of the pressure mounting on his property company, China Evergrande Group, the world's most-indebted developer. Hui, with a full head of black hair, looked relaxed in a navy-blue suit and open-necked shirt as he stood on a podium overlooking the festivities in Tiananmen Square, an invitation many considered an official show of support for the billionaire businessman. Five years later, on Thursday, a grey-haired Hui, once Asia's richest man, wore a navy-blue collared shirt and was flanked by two officers as a court in the southern city of She