A flock of herons forage in the Jinjiang River in Chengdu, southwest China's Sichuan Province, March 17, 2026. A large number of herons recently stood in rows against the current for a long time to forage in the Jinjiang River, attracting many citizens to watch and take pictures. (Xinhua/Jiang Hongjing)

A flock of herons forage in the Jinjiang River in Chengdu, southwest China's Sichuan Province, March 17, 2026. A large number of herons recently stood in rows against the current for a long time to forage in the Jinjiang River, attracting many citizens to watch and take pictures. (Xinhua/Jiang Hongjing)

A heron fishes in the Jinjiang River in Chengdu, southwest China's Sichuan Province, March 17, 2026. A large number of herons recently stood in rows against the current for a long time to forage in the Jinjiang River, attracting many citizens to watch and take pictures. (Xinhua/Jiang Hongjing)

Citizens take photos of herons foraging in the Jinjiang River in Chengdu, southwest China's Sichuan Province, March 17, 2026. A large number of herons recently stood in rows against the current for a long time to forage in the Jinjiang River, attracting many citizens to watch and take pictures. (Xinhua/Jiang Hongjing)

Two herons forage in the Jinjiang River in Chengdu, southwest China's Sichuan Province, March 17, 2026. A large number of herons recently stood in rows against the current for a long time to forage in the Jinjiang River, attracting many citizens to watch and take pictures. (Xinhua/Jiang Hongjing)

Herons forage in the Jinjiang River in Chengdu, southwest China's Sichuan Province, March 17, 2026. A large number of herons recently stood in rows against the current for a long time to forage in the Jinjiang River, attracting many citizens to watch and take pictures. (Xinhua/Jiang Hongjing)