Unseen World on Instagram: "They had no idea what was coming.😨 It was March 11, 2011. In coastal cities across Japan, the sea suddenly retreated further than anyone had ever seen. Streets normally kissed by waves were now exposed seabeds. People stood in awe, some even walking out curiously onto the wet sand. Cars continued driving, unaware. But this was no miracle—it was nature’s warning. That eerie silence was the ocean gathering its strength, pulling back before unleashing one of the most de