A team of geophysicists at ETH Zurich in Switzerland has made a baffling discovery while analyzing earthquake waves to investigate the internal structures of the Earth.Specifically, they found areas in our planet’s interior that appear to be the leftovers of submerged tectonic plates deep below large oceans.The finding also presents scientists with a new puzzle: the pieces are far away from plate boundaries — nowhere near where they expected to find them.It’s an intriguing finding that suggests a “lost world” could be lurking deep below the Pacific Ocean, highlighting how…