Mourners in wheelchairs are escorted on their way to pay tribute to the late Thai King Bhumibol Adulyadej at the Grand Palace in Bangkok, Thailand, Jan. 10, 2017. King Bhumibol, who used to be the world's longest-reigning monarch, passed away in Bangkok's Siriraj Hospital on Oct. 13, 2016. (Xinhua/Rachen Sageamsak)