Ik-Kil Cenote, Mexico - WattWhereHow?
Ik-Kil Cenote – an ancient waterhole, a sinkhole, a gateway to the underworld or just a choice venue for a Red Bull cliff diving championship? It’s all this and more (religious leanings and interests in extreme sports permitting). Cenotes are limestone sinkholes resulting from a collapse in the bedrock to reveal an underground water source. …
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