Why Half of Colosseum Is Missing
The county ofKent, England has acultural treasure called The Margate Shell Grotto. This subterranean passageway islined with about four and ahalf million seashells, compiling anintricate mosaic. The gorgeous landmark was stumbled upon byaccident inthe 1800s, and its still engulfed inmystery tothis day. Thats because noone knows who built itand why! Experts cant even figure out