Cities with sturdy preservation laws and maximum building top restrictions to retain the character of the historic and cultural core may have a CBD fairly a distance from the centre of the city. This is quite frequent for European cities corresponding to Paris or Vienna. Increasing urbanisation within the 21st century have developed megacities, significantly in Asia, that can typically have a number of CBDs scattered throughout the urban area. It has been mentioned that downtowns (as understood in North America) are subsequently conceptually distinct from each CBDs and city centers.
He eventually crossed the River Thames at Wallingford, pillaging the land as he went. Rather than continuing the warfare, Edgar the Ætheling, Edwin of Mercia and Morcar of Northumbria surrendered at Berkhamsted. William granted the citizens of London a constitution in 1075; the City was one of a few examples of the English retaining some authority.