Cyclists attend the "Bike for Mom" cycling event near the Victory Monument in Bangkok, Thailand, Aug. 16, 2015. About 40,000 cyclists participated in "Bike for Mom", a mass cycling event initiated by Crown Prince Maha Vajiralongkorn to honor Queen Sirikit and all mothers in Thailand. Thailand observed the 83rd birthday anniversary of Queen Sirikit on Aug. 12, 2015. The day is also the Mother's Day of the country. (Xinhua/Li Mangmang)
