construction of a steep staircase by the stone wall car park with high durability even under heavy load galvanized steel floor gra

blocks building car concrete construction covered deck deformation design detail durability even fabric fence floor footbridge gabion galvanized garden gra grate gray grid heavy high him horizontal industrial infrastructure interlocked load low mesh metal mountain palisade park parking paving perforated pole railing railings ramp relief retaining screening shading square staircase stairway steel steep steps stone sunny textile tower transparent view wall walled welled wire