East of the Don River, areas of Downtown Toronto that were once hubs of industry and manufacturing are being built out with mixed-use new development capable of accommodating new residential density, while still preserving the type of employment areas that are beneficial in maintaining a functional neighbourhood. One notable example is Streetcar Developments and Dream's Riverside Square, a redevelopment project that is replacing two former warehouse structures and a surface parking lot at Queen and the Don Valley Parkway with a range of uses.