I believe it is the Han Dysnasty.
<span>Although it's one of the world's most famous monuments, the prehistoric stone circle known as Stonehenge remains shrouded in mystery. Built on Salisbury Plain in Wiltshire, England, Stonehenge was constructed in several stages between 3000 and 1500 B.C., spanning the Neolithic Period to the Bronze Age.</span>
It experienced different climates which made the statue change. In hot conditions the statue is so dryed out nothing happens to it. But when in rain, snow, and cold it starts to take effect. It's starts to crack, and really just look really damaged.
Historically we know the land was one. Earthquakes, hurricanes, and other mother nature disasters have all time after time weakened the land, as a consequence the land collapsesand created small and large parts of it.