Dive Destination Trivia
{"name":"Dive Destination Trivia", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"This sinkhole or marine cave that formed during past ice ages. Erosion from rain and chemicals during those times in a limestone-rich terrain cause the marine cave to be seen as a blue hole today. Where is this?","img":"https://cdn.poll-maker.com/33-1132381/blue-hole.jpg?sz=1200-01125000000828105300"}