Four people on a Dominican Republic school trip snorkeling underwater, wearing masks and snorkels, with arms extended forward in clear blue-green water.

Four people on a Dominican Republic school trip snorkeling underwater, wearing masks and snorkels, with arms extended forward in clear blue-green water.

Four people on a Dominican Republic school trip snorkeling underwater, wearing masks and snorkels, with arms extended forward in clear blue-green water.

Four people on a Dominican Republic school trip snorkeling underwater, wearing masks and snorkels, with arms extended forward in clear blue-green water.