Photo taken on Aug. 14, 2021 shows "Falcon" air-inflated testing labs for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach. (Photos: Xinhua)

A medical worker is seen at a "Falcon" air-inflated testing lab for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province, Aug. 14, 2021. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach.

Aerial photo taken on Aug. 14, 2021 shows "Falcon" air-inflated testing labs for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach.

Medical workers are seen at a "Falcon" air-inflated testing lab for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province, Aug. 14, 2021. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach.

Medical workers put on protective suits at a "Falcon" air-inflated testing lab for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province, Aug. 14, 2021. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach.

Medical workers are seen at a "Falcon" air-inflated testing lab for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province, Aug. 14, 2021. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach.

A medical worker checks at a "Falcon" air-inflated testing lab for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, East China's Jiangsu Province, Aug. 14, 2021. The "Falcon" air-inflated testing lab, capable of automatic COVID-19 tests, can screen up to 1.5 million people every day using the ten-in-one mixed testing approach.