Gates and gateways in all their glory! Not just structures or security obstacles but in the fabric of building and construction

Chinese arch in chinatown area of Liverpool
Black Door in Brick Lane
Cattle grid on a mountain, moorland landscape with gate at the side. Isle of Man
Washroom door
Shower door
Brown door with point
Brown door, bollard, red brick wall
Yellow door
George Burns, Maralyn Munroe, and Groucho Marks on a doorway
Wrought iron gate