A drone photo taken on March 30, 2026 shows the spring scenery of the Great Wall in Qianxi County, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)

A drone photo taken on March 30, 2026 shows the spring scenery of the Great Wall in Qianxi County, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)

A drone photo taken on March 30, 2026 shows the spring scenery of the Great Wall in Qianxi County, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)

A drone photo taken on March 30, 2026 shows the spring scenery of the Great Wall in Qianxi County, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)

A drone photo taken on March 30, 2026 shows the spring scenery of the Great Wall in Qianxi County, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)