construction of a steep staircase near a concrete wall. railing above the sloping sloping retaining wall above which ornamental sh

beveled blocks bridge building concrete construction cotoneaster covered deck design fence floor gabion galvanized garden grate gray grid grow horizontalis industrial infrastructure interlocked laurocerasus lawn mesh metal net ornamental palisade paving plank prunus railing ramp retaining shrubs sloping stainless staircase stairway steel steep steps sunny terrace textile transparent wall walled welled which winter wire wooden