A senior student scans a health QR code with a smartphone before entering the Zigui No 2 Senior High School in Zigui county of Yichang city, Central China's Hubei province, May 6, 2020. Students in their final year of high and vocational schools in Hubei returned to campus on May 6. [Photo/Xinhua]
Senior students study to prepare for the college entrance exam in a classroom of Xiantao Middle School in Xiantao city, Central China's Hubei province, May 6, 2020. [Photo/Xinhua]
Senior students have body temperature checked before entering classroom at the Baokang No 1 Middle School in Baokang county of Xiangyang city, Central China's Hubei province, May 6, 2020. [Photo/Xinhua]
Senior students walk into the Wugang No 3 High School in Wuhan, Central China's Hubei province, May 6, 2020. [Photo/Xinhua]
Senior students have a class on epidemic prevention knowledge in a classroom of Donghu High School in Yiling district of Yichang city, Central China's Hubei province, May 6, 2020. [Photo/Xinhua]
