Military personnel wearing face masks take part in a rehearsal for the Independence Day parade in Colombo, Sri Lanka, on Jan. 31, 2022. Sri Lanka will celebrate its Independence Day on Feb. 4. (Photo by Ajith Perera/Xinhua)
Military personnel wearing face masks take part in a rehearsal for the Independence Day parade in Colombo, Sri Lanka, on Jan. 31, 2022. Sri Lanka will celebrate its Independence Day on Feb. 4. (Photo by Ajith Perera/Xinhua)
Military personnel wearing face masks take part in a rehearsal for the Independence Day parade in Colombo, Sri Lanka, on Jan. 31, 2022. Sri Lanka will celebrate its Independence Day on Feb. 4. (Photo by Ajith Perera/Xinhua)
Military personnel wearing face masks take part in a rehearsal for the Independence Day parade in Colombo, Sri Lanka, on Jan. 31, 2022. Sri Lanka will celebrate its Independence Day on Feb. 4. (Photo by Ajith Perera/Xinhua)
Military personnel wearing face masks take part in a rehearsal for the Independence Day parade in Colombo, Sri Lanka, on Jan. 31, 2022. Sri Lanka will celebrate its Independence Day on Feb. 4. (Photo by Ajith Perera/Xinhua)
Military personnel wearing face masks take part in a rehearsal for the Independence Day parade in Colombo, Sri Lanka, on Jan. 31, 2022. Sri Lanka will celebrate its Independence Day on Feb. 4. (Photo by Ajith Perera/Xinhua)