The Architecture category was won by Holger Schmidtke from Germany, with this image, Under the Staircase, taken in a Cologne office.
Sony’s annual competition, open to photography enthusiasts around the world and in particular amateur photographers of any experience level, has an interesting and diverse range of images. Check other winners’ images here: http://fstoppers.com/sony-2014-world-photo-awards-competition-winners-announced