These Holes Have Popped Up All Over The World
Weird, reverse-waterfall holes such as the one in Lake Berryessa is not an isolated incident. Dean’s Blue Hole is another one that magically appeared in a lake that was found to be 660 feet deep. Another one is the Giant Blue Hole in Belize, which was 407 feet deep. Were these related? Kilkus knew that he needed to research these so that he could maybe figure it out.
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