I like to take pictures of buildings, inside or outside. For me the biggest challenge is to make photo from some special angle so at first you can't guess what is on the picture. Also I call these pictures geometrical :-)
©All photos are mine. Copyright by @retromili.
Stairs during night, you can see this only if light is on :-)
If you look the sky maybe you will see this..
And again staires geometrical game :)
These images are my entry for the photography contest Architecture II (https://steemit.com/teamserbia/@teamserbia/team-serbia-takmicenje-za-najbolju-fotografiju-21-mart-2019-pobednici-i-nova-tema) hosted by @teamserbia