People fly Kongming lanterns, a kind of small hot-air paper balloon, by the Lancang River in Jinghong City, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province, April 13, 2026. (Xinhua/Jiang Wenyao)

People fly Kongming lanterns, a kind of small hot-air paper balloon, by the Lancang River in Jinghong City, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province, April 13, 2026. (Xinhua/Jiang Wenyao)

People fly Kongming lanterns, a kind of small hot-air paper balloon, by the Lancang River in Jinghong City, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province, April 13, 2026. (Xinhua/Jiang Wenyao)

People fly Kongming lanterns, a kind of small hot-air paper balloon, by the Lancang River in Jinghong City, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province, April 13, 2026. (Xinhua/Jiang Wenyao)

People fly Kongming lanterns, a kind of small hot-air paper balloon, by the Lancang River in Jinghong City, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province, April 13, 2026. (Xinhua/Jiang Wenyao)

People fly Kongming lanterns, a kind of small hot-air paper balloon, by the Lancang River in Jinghong City, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan Province, April 13, 2026. (Xinhua/Jiang Wenyao)