Children at Houbiaoying Primary School in Nanjing, capital of east China's Jiangsu Province, wear DIY "face masks" painted with the theme of fighting COVID-19, June 1, 2020. The school held a variety of themed activities to celebrate the International Children's Day on Monday. (Photo: China News Service/Yang Bo)
Children at Houbiaoying Primary School in Nanjing, capital of east China's Jiangsu Province, wear DIY "face masks" painted with the theme of fighting COVID-19, June 1, 2020. The school held a variety of themed activities to celebrate the International Children's Day on Monday. (Photo: China News Service/Yang Bo)
Children at Houbiaoying Primary School in Nanjing, capital of east China's Jiangsu Province, wear DIY "face masks" painted with the theme of fighting COVID-19, June 1, 2020. The school held a variety of themed activities to celebrate the International Children's Day on Monday. (Photo: China News Service/Yang Bo)
Children at Houbiaoying Primary School in Nanjing, capital of east China's Jiangsu Province, wear DIY "face masks" painted with the theme of fighting COVID-19, June 1, 2020. The school held a variety of themed activities to celebrate the International Children's Day on Monday. (Photo: China News Service/Yang Bo)
Children at Houbiaoying Primary School in Nanjing, capital of east China's Jiangsu Province, wear DIY "face masks" painted with the theme of fighting COVID-19, June 1, 2020. The school held a variety of themed activities to celebrate the International Children's Day on Monday. (Photo: China News Service/Yang Bo)