Photo taken on Feb. 21, 2019 shows hot air balloons flying during sunrise at the ancient city of Bagan in Mandalay region, Myanmar. Myanmar hosted a two-day workshop on heritage sites management in Lancang-Mekong countries in its ancient city of Bagan on Wednesday. The workshop featured extensive discussions and view exchanges of representatives from six Lancang-Mekong countries -- China, Cambodia, Laos, Myanmar, Vietnam and Thailand. (Xinhua/U Aung)