This photo taken on June 2, 2024 shows a biodiversity survey conducted at various locations in Nanjing, including the Green Water Wetlands Park, Longpao Wetland Park, Purple Mountain, and Laoshan Mountain. About 150 people including students participated in the summer program. (Wu Jun/Xinhua Daily)

This photo taken on June 2, 2024 shows a biodiversity survey conducted at various locations in Nanjing, including the Green Water Wetlands Park, Longpao Wetland Park, Purple Mountain, and Laoshan Mountain. About 150 people including students participated in the summer program. (Wu Jun/Xinhua Daily)

This photo taken on June 2, 2024 shows a biodiversity survey conducted at various locations in Nanjing, including the Green Water Wetlands Park, Longpao Wetland Park, Purple Mountain, and Laoshan Mountain. About 150 people including students participated in the summer program. (Wu Jun/Xinhua Daily)

This photo taken on June 2, 2024 shows a biodiversity survey conducted at various locations in Nanjing, including the Green Water Wetlands Park, Longpao Wetland Park, Purple Mountain, and Laoshan Mountain. About 150 people including students participated in the summer program. (Wu Jun/Xinhua Daily)

This photo taken on June 2, 2024 shows a biodiversity survey conducted at various locations in Nanjing, including the Green Water Wetlands Park, Longpao Wetland Park, Purple Mountain, and Laoshan Mountain. About 150 people including students participated in the summer program. (Wu Jun/Xinhua Daily)

This photo taken on June 2, 2024 shows a biodiversity survey conducted at various locations in Nanjing, including the Green Water Wetlands Park, Longpao Wetland Park, Purple Mountain, and Laoshan Mountain. About 150 people including students participated in the summer program. (Wu Jun/Xinhua Daily)