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People take part in the "Bike Un Ai Rak", or "Bike for Love and Warmth", cycling event in Bangkok, Thailand, Dec. 9, 2018. (Xinhua/Rachen Sageamsak)

People take part in the "Bike Un Ai Rak", or "Bike for Love and Warmth", cycling event in Bangkok, Thailand, Dec. 9, 2018. (Xinhua/Rachen Sageamsak)