Part 2 of the infographics series about Human Waterside Evolution (a.k.a. "Aquatic Ape Hypothesis", but with more scientific rigour). This time are the theoretical aspects -- the locations, the timeline, and the hypothetical scenarios. It tries to convey the complicated and intertwined concepts as concise as possible, but the diversity and uncertainty in various models make the task nearly impossible. It's a protoscience, so expect it to be messy and incomplete.
