Chinese expert Zhang Long searches for eggs of locusts in Khushab, Punjab province, Pakistan, March 2, 2020. The government of China sent an emergency response team of experts to Pakistan to help control the locust plague there. The experts have visited almost all affected areas, including Tharparkar desert in southern Sindh province, southwest Balochistan province and different affected districts of Punjab where locusts have already laid eggs.Photo:Xinhua

A Chinese expert shows eggs of a locust in Khushab, Punjab province, Pakistan, March 2, 2020. The government of China sent an emergency response team of experts to Pakistan to help control the locust plague there. The experts have visited almost all affected areas, including Tharparkar desert in southern Sindh province, southwest Balochistan province and different affected districts of Punjab where locusts have already laid eggs. Photo:Xinhua

Chinese expert Wang Tongwei collects locust samples in Khushab, Punjab province, Pakistan, March 2, 2020. The government of China sent an emergency response team of experts to Pakistan to help control the locust plague there. The experts have visited almost all affected areas, including Tharparkar desert in southern Sindh province, southwest Balochistan province and different affected districts of Punjab where locusts have already laid eggs. Photo:Xinhua

A Chinese expert checks the locust situation in Khushab, Punjab province, Pakistan, March 2, 2020. The government of China sent an emergency response team of experts to Pakistan to help control the locust plague there. The experts have visited almost all affected areas, including Tharparkar desert in southern Sindh province, southwest Balochistan province and different affected districts of Punjab where locusts have already laid eggs. Photo:Xinhua