<p>A diver explores a cenote in Tulum, Mexico. Ancient Maya believed that the rain god Chaak lived in these natural wells. Now they are giving archaeologists new insights into the sacred landscapes of the ancestral people.</p>
Cave Diving in Tulum, Mexico
A diver explores a cenote in Tulum, Mexico. Ancient Maya believed that the rain god Chaak lived in these natural wells. Now they are giving archaeologists new insights into the sacred landscapes of the ancestral people.
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Travel 365: Best of 2014
See the 50 most popular Travel 365 pictures of the year from National Geographic.