In this week in photos, a doctor who was detained for three months for describing Hongmao Medicinal Liquor as “poison” is finally released; Shanghai holds the seventh Asian Business Aviation Conference and Exhibition; and children perform for visitors during a folk event in Guangzhou, Guangdong province.

× 1/7 Tan Qindong cries at the Guangzhou Baiyun International Airport in Guangzhou, Guangdong province, April 19, 2018. Tan Qindong was released after being detained for three months for describing the Hongmao Medicinal Liquor as “poison.” IC 2/7 Residents pray for blessings during a religious ceremony at a Taoist temple in Chengdu, Sichuan province, April 18, 2018. VCG 3/7 Two men wrestle during a competition in Yanbian, Jilin province, April 21, 2018. Zhang Yao/CNS/VCGA 4/7 A knife therapy practitioner conducts knife therapy massage on a woman at the Ancient Art of Knife Therapy Education Center in Taipei, Taiwan, April 17, 2018. Ritchie B Tongo/IC 5/7 Visitors take photos of a child dressed in traditional costume before a folk performance in Guangzhou, Guangdong province, April 18, 2018. VCG 6/7 Workers put up a poster of a Bombardier Global 7000 aircraft at the Asian Business Aviation Conference and Exhibition at Hongqiao International Airport in Shanghai, April 16, 2018. Aly Song/Reuters 7/7 A view from above of a sightseeing tower shaped like a pufferfish in Yangzhong, Jiangsu province, April 21, 2018. Yangzhong is regarded as the hometown of pufferfish in China. VCG