A drone photo taken on April 24, 2026 shows great egrets perching in the reeds in the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua

A drone photo taken on April 24, 2026 shows a grey heron and its chicks perching in the reeds in the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua

A drone photo taken on April 24, 2026 shows a view of the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua

A drone photo taken on April 24, 2026 shows a great egret and its chicks perching in the reeds in the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua

A drone photo taken on April 24, 2026 shows greylag geese perching in the reeds in the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua

A drone photo taken on April 24, 2026 shows water birds foraging in the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua

A drone photo taken on April 24, 2026 shows great egrets nesting in the reeds in the Qingtu Lake in Minqin County, northwest China's Gansu Province. As the temperature rises, various birds inhabiting in the Qingtu Lake have gradually entered the breeding season. Photo: Xinhua