[LibWhacker]

The Dragon Blood Tree is native to a single island in the Socotra
archipelago off the coast of Yemen.

Glacial silt, being blown across a frozen river. It kind of
looks like the girl is being carried along by the silt, but
she's only sliding on the exposed ice.

The spiral staircase inside the Château de La Rochefoucauld
in France, designed by Leonardo da Vinci in 1516

[Diana in Wisconsin]

“The spiral staircase inside the Château de La Rochefoucauld
in France, designed by Leonardo da Vinci in 1516...”

Fractals! :)

[z = x + yi where i2 = -1]

Now how would some dope from 1516 know that? ;)