Photo taken on July 15, 2019 shows candle flowers made by tourists and local people in a temple in Ubon Ratchathani, Thailand. 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)