Thai rescue personnel are seen at the Tham Luang cave area as operations continue for the 12 boys and their coach trapped at the cave in Khun Nam Nang Non Forest Park in the Mae Sai district of Chiang Rai province on July 6, 2018. A former Thai navy diver helping to rescue a football team trapped inside a flooded cave died July 6 as officials warned the window of opportunity to free the youngsters is "limited". / AFP PHOTO / YE AUNG THU