⌂
⚲
?
✕︎
clip:108234
clip:108234
clip:108234
clip:108234
clip:108234
clip:108234
clip:108234
clip:108234
clip:108234
hi
{"x":0,"y":0} to {"x":0,"y":0}
Copyright © details on Wikimedia Commons.
Sandpile Matemateca 21.jpg
▦