Chinese locust experts check locust siuation in Tharparkar desert of Sindh province, Pakistan, Feb. 26, 2020. Chinese locust experts on Wednesday inspected the Tharparkar desert, which was attacked by desert locust last November and is recognized as a summer breeding place for locust. (Photos: Xinhua)

Chinese locust experts talk with local locust control staff in Tharparkar desert of Sindh province, Pakistan, Feb. 26, 2020. Chinese locust experts on Wednesday inspected the Tharparkar desert, which was attacked by desert locust last November and is recognized as a summer breeding place for locust.

Chinese locust experts look for eggs of locust in Tharparkar desert of Sindh province, Pakistan, Feb. 26, 2020. Chinese locust experts on Wednesday inspected the Tharparkar desert, which was attacked by desert locust last November and is recognized as a summer breeding place for locust.

A Chinese locust expert checks soil in Tharparkar desert of Sindh province, Pakistan, Feb. 26, 2020. Chinese locust experts on Wednesday inspected the Tharparkar desert, which was attacked by desert locust last November and is recognized as a summer breeding place for locust.

A Chinese locust expert shows locusts caught in Tharparkar desert of Sindh province, Pakistan, Feb. 26, 2020. Chinese locust experts on Wednesday inspected the Tharparkar desert, which was attacked by desert locust last November and is recognized as a summer breeding place for locust.