This aerial picture taken on November 26, 2021 shows the pier at Tonsai village on Thailand's Phi Phi Don island. - While travel stopped and the world locked down, in the dazzling blue waters of Thailand's idyllic Phi Phi islands, a gentle renaissance was under way. (Photo by Lillian SUWANRUMPHA / AFP) / TO GO WITH Thailand-environment-tourism-health-virus, FEATURE by Sophie Deviller and Thanaporn Promyamyai