Rescue worker is seen next to a pipe used for pumping out water in Than Luang cave in Khun Nam Nang Non Forest Park, Chiang Rai province on June 28, 2018 during rescue operation for a missing children's football team and their coach. Rescuers battled heavy rain as they struggled to drain the flooded tunnels in the Tham Luang cave where the youngsters, aged 11 to 16, and their coach have been stuck since June 23. / AFP PHOTO / LILLIAN SUWANRUMPHA