Tourists watch giant wax sculptures during the candle festival in Ubon Ratchathani, Thailand, July 16, 2019. The Ubon Ratchathani Candle Festival is held to commemorate the Buddha's first sermon and mark the beginning of the Buddhist Lent. The highlight of the annual event is the parade of giant floats of wax sculptures throughout the city, each representing a local temple, a district or an institution. (Xinhua/Zhang Keren)