coolthingoftheday: The Shell Grotto is an underground passageway that was discovered in 1835 in Kent, England. Its winding corridors are adorned with a mosaic of over 4.6 million shells, and to this day, archaeologists have no idea what its purpose
tags:
from: https://chop05.tumblr.com/post/151258361585
recommended: chop05 tumblr, 1820club #margony 18_19 marial9 18_20