Duchcovský železniční viadukt. 
50°35'48.822"N, 13°45'14.124"E
<a href="//commons.wikimedia.org/w/index.php?title=User:Adam_Pokorny_21&amp;action=edit&amp;redlink=1" class="new" title="User:Adam Pokorny 21 (page does not exist)">Adam Pokorný</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>