 In terms of area, the city grows by approximately three hectares a day, mostly east and south as the city is mostly built out to the beach already with the exception of some canyons.Along with settlements separated from Tijuana proper and other communities unimproved land, big business moves in providing supermarkets and retail to marginal areas, along with paved roads.The city experiences the construction of 26,000 new settlers a year that has led to the unregulated, illegal squatter homes that takes place in the hills and valleys of ever expanding Tijuana, most of these areas are still without city services like sidewalks, paving, streetlights, and public transit.