Aerial photo taken on May 27, 2018 shows the scenery of the Yamdrok Lake in Nagarze county of Shannan city, Southwest China’s Tibet autonomous region.[Photo/Xinhua]

Aerial photo taken on May 27, 2018 shows the scenery of the Yamdrok Lake in Nagarze county of Shannan city, Southwest China’s Tibet autonomous region. [Photo/Xinhua]

Aerial photo taken on May 27, 2018 shows the scenery of the Yamdrok Lake in Nagarze county of Shannan city, Southwest China’s Tibet autonomous region. [Photo/Xinhua]

Aerial photo taken on May 29, 2018 shows the scenery of the Yamdrok Lake in Nagarze county of Shannan city, Southwest China’s Tibet autonomous region. [Photo/Xinhua]

Aerial photo taken on May 27, 2018 shows the scenery of the Yamdrok Lake in Nagarze county of Shannan city, Southwest China’s Tibet autonomous region. [Photo/Xinhua]