⌂
⚲
?
✕︎
clip:15115
clip:15115
clip:15115
clip:15115
clip:15115
clip:15115
clip:15115
clip:15115
clip:15115
hi
{"x":0,"y":0} to {"x":0,"y":0}
Copyright © details on Wikimedia Commons.
Institut für physikalische Chemie - RWTH Aachen.jpg
▦