⌂
⚲
?
✕︎
clip:38307
clip:38307
clip:38307
clip:38307
clip:38307
clip:38307
clip:38307
clip:38307
clip:38307
hi
{"x":0,"y":0} to {"x":0,"y":0}
Copyright © details on Wikimedia Commons.
TU-Dortmund-Mathetower-Mensa-Emil-Figge-50-2013.jpg
▦