Wall has cavity system formed between front side and rear side of wall, and access provided from at least one outer side of wall to cavity system which acts as nesting place, inhabiting space or feeding space for small creatures

摘要

The wall consists at least partially of bricks(2) and/or concrete, and a cavity system(11) which is at least partially continuous is formed between the front side(4a) and rear side(4b) of the wall. At least one access is provided from at least one outer side of the wall to the cavity system which is provided to form a nesting place, inhabiting space or feeding space. The access is formed by an inset(3) or an absent brick. The bricks have an inner lying recess(7) on at least one abutment face(5) lying perpendicularly to the front side of the wall.