This photo taken on March 20, 2026 shows migratory birds on the Wolong Lake of Kangping County, northeast China's Liaoning Province. As temperature rises, a large number of migratory birds have flown to the Wolong Lake, attracting citizens and tourists to watch the birds and take photos. (Xinhua/Li Gang)

People take photos of migratory birds by the Wolong Lake of Kangping County, northeast China's Liaoning Province, March 20, 2026. As temperature rises, a large number of migratory birds have flown to the Wolong Lake, attracting citizens and tourists to watch the birds and take photos. (Xinhua/Li Gang)

This photo taken on March 20, 2026 shows migratory birds at sunset over the Wolong Lake of Kangping County, northeast China's Liaoning Province. As temperature rises, a large number of migratory birds have flown to the Wolong Lake, attracting citizens and tourists to watch the birds and take photos. (Xinhua/Li Gang)

This photo taken on March 20, 2026 shows migratory birds at sunset over the Wolong Lake of Kangping County, northeast China's Liaoning Province. As temperature rises, a large number of migratory birds have flown to the Wolong Lake, attracting citizens and tourists to watch the birds and take photos. (Xinhua/Li Gang)