Structural Abstraction 8 by Bob Johnson
Structural Abstraction 1 by Bob Johnson
Structural Abstraction 4 by Bob Johnson
Urban Contemplation 1 by Bob Johnson
Structural Abstraction 3 by Bob Johnson
Structural Abstraction 6 by Bob Johnson
Structural Abstraction 7 by Bob Johnson
Structural Abstraction 2 by Bob Johnson
Urban Contemplation 6 by Bob Johnson
Urban Contemplation 3 by Bob Johnson
Urban Contemplation 4 by Bob Johnson
Urban Contemplation 7 by Bob Johnson
Structural Abstraction 9 by Bob Johnson
Urban Contemplation 5 by Bob Johnson
Urban Contemplation 2 by Bob Johnson
Urban Contemplation 8 by Bob Johnson