Photo taken on May 31, 2019 shows the scenery of Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Xue Dongmei)

Children play drum with their parents at a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

Photo taken on May 31, 2019 shows the scenery of Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Xue Dongmei)

Citizens visit a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

People visit a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

Photo taken on May 31, 2019 shows the scenery of Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Lian Yi)

A girl plays drum at a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

Visitors tour the Lancang River by boat in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

Photo taken on May 31, 2019 shows an illuminated temple by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Lian Yi)

A girl of the Dai ethnic group prepares snacks at a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

A woman makes pastry at a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

Visitors tour the Lancang River by boat in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

Visitors tour the Lancang River by boat in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

People eat snacks at a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)

People shop at a night fair by the Lancang River in Jinghong City, Dai Autonomous Prefecture of Xishuangbanna, southwest China's Yunnan Province, May 31, 2019. After months of drought followed by rain, Jinghong of Xishuangbanna Dai Autonomous Prefecture looks glamorous. (Xinhua/Yang Zongyou)