Architects sketched their favorite buildings on napkins - here are the best designs

Architects and designers at HLW International recently participated in a competition to draw their favorite buildings on the back of cocktail napkins.

Some of the entries are pretty impressive, from a wonderfully detailed look at the Leadernhall Building in London (above) to a dreamy sketch of the Brooklyn Bridge in New York City.

We've got the winners and the highlights here, courtesy of HLW. (Note: this reporter's spouse works there.)