Farmers check pear trees at an orchard in Mayu Town, Shijiazhuang City of north China's Hebei Province, May 4, 2024. Chinese farmers are busy with field works with the approaching of "Lixia", the seventh solar term on the Chinese lunar calendar that marks the beginning of summer. Photo: Xinhua

A drone photo taken on May 4, 2024 shows a farmer working in a field in Longshan County, Xiangxi Tujia and Miao Autonomous Prefecture, central China's Hunan Province. Chinese farmers are busy with field works with the approaching of "Lixia", the seventh solar term on the Chinese lunar calendar that marks the beginning of summer. Photo: Xinhua

A drone photo taken on May 4, 2024 shows farmers tending hot pepper seedlings in Beihai Town, Tengchong City of southwest China's Yunnan Province. Chinese farmers are busy with field works with the approaching of "Lixia", the seventh solar term on the Chinese lunar calendar that marks the beginning of summer. Photo: Xinhua

A drone photo taken on May 4, 2024 shows farmers levelling fields for rice transplanting in Wenshan City, Wenshan Zhuang and Miao Autonomous Prefecture, southwest China's Yunnan Province. Chinese farmers are busy with field works with the approaching of "Lixia", the seventh solar term on the Chinese lunar calendar that marks the beginning of summer. Photo: Xinhua

A farmer plants cotton seedlings at a field in Changjia Town, Zibo City of east China's Shandong Province, May 4, 2024. Chinese farmers are busy with field works with the approaching of "Lixia", the seventh solar term on the Chinese lunar calendar that marks the beginning of summer. Photo: Xinhua

Farmers work at a field in Dongxinzhuang Town, Zunhua City of north China's Hebei Province, May 4, 2024. Chinese farmers are busy with field works with the approaching of "Lixia", the seventh solar term on the Chinese lunar calendar that marks the beginning of summer. Photo: Xinhua