the entrance to a futuristic portal on a beige background, gaming style, 
the entrance to a futuristic portal on a beige background, gaming style, --aspect 3:2
the entrance to a futuristic portal on a beige background
gaming style,
a 3d rendering of an entrance to a room
a 3d rendering of an entrance to a futuristic building
a 3d rendering of an entrance to a cave
a 3d rendering of a futuristic tunnel