HistoryUnfolded on Instagram: "What If Earth Was Actually Flat!? Follow For More @history_unfolded0 CONTEXT: Have you ever wondered what would happen if the Earth was actually flat? For thousands of years, people believed the planet was a flat disk surrounded by mysterious edges. If that were true, the continents would stretch across a flat plane, with Antarctica forming a giant ice wall that keeps the oceans from spilling over. But here’s the catch — the laws of nature would collapse immediatel