Alexander Nevsky Cathedral, located in Sofia (Bulgaria), is one of the ten largest Orthodox cathedrals in the world, with an area of ​​3170 m² and a height of 53 m.
<a href="//commons.wikimedia.org/wiki/User:Alur%C3%ADn" title="User:Alurín">Jose Ligero Loarte</a>
<span class="int-own-work" lang="en">Own work</span>