Students prepare to display a mosaic portrait of the late Thai King Bhumibol Adulyadej by flipping boards at the Assumption College in Bangkok, Thailand, Oct. 28, 2016. (Xinhua/Rachen Sageamsak)
Students prepare to display a mosaic portrait of the late Thai King Bhumibol Adulyadej by flipping boards at the Assumption College in Bangkok, Thailand, Oct. 28, 2016. (Xinhua/Rachen Sageamsak)