Height difference between Niel (Gaby) and Gressoney-Saint-Jean (AO, Italy)
<a href="//commons.wikimedia.org/wiki/User:F_Ceragioli" title="User:F Ceragioli">F Ceragioli</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>