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What on Earth? - Season 2, Episode 01: Finding Vietnam's Lost POWs
The second season seems to be filled with a series of cosmic adventures. There is a thorough investigation into two examples of men in war, as well as two dealing with water, in addition to the latter phenomenon, which is considered a very natural event. On the other hand, there are two examples of human activity in the United States, one in Africa and the other in Asia, but through two natural phenomena.