5 Famous Blue Holes in the World

5 Famous Blue Holes in the World

5 Famous Blue Holes in the World According to Wikipedia, a blue hole is a large marine cavern or a sinkhole which is open to the surface and had developed in a bank or island composed of carbonate bedrock. (Source: https://en.wikipedia.org/wiki/Blue_hole). In this...
5 Best Underground Attractions

5 Best Underground Attractions

5 Best Underground Attractions One anonymous stranger once said “To reach a great height a person needs to have great depth.” He has a point. Well, if we need depth, then let’s help you. It’s all about depth again today, but as a diversion,...
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