<p>A load - bearing structure (10) for transporting or storing a load is disclosed. The structure includes at least one load - bearing surface (20) and at least one support member (40). The or each of a plurality of support members (40) is disposed at least about the periphery of the load - bearing surface (20) and extends substantially downward relative to the load - bearing surface (20). The or each of a plurality of support members (40) defines a peripheral channel (80) about the load - bearing surface (20), which is apt to accommodate at least a portion (40, 110) of a substantially same load - bearing structure (10). The load - bearing surface (20) and the or each support member (40) are made from a substantially rigid material.</p>
