The city of Denver has evolved from a humble pair of mining settlements to a large and booming metropolis. The city has experienced growth in industry and changes in generating its economic revenue. Denver began as a burgeoning settlement that relied heavily on the extraction and selling of natural resources such as silver and gold. After WWII, Denver began expanding into other industries and differentiated its ways to expand. What resulted the second half of the twentieth century was changes in city neighborhoods. Many districts in the city have been and continue to be revitalized through the restoration of historical buildings as well as the construction of entirely new structures for residential housing, offices and other multi-use purposes. The second half of the twenty century also yielded the creation and progression of Denver's professional sports teams. The addition of the Denver Broncos, Colorado Avalanche, Denver Nuggets and Colorado Rockies reflect a genuine interest by city boosters and moguls in creating and maintaining its professional sports teams. These franchises produce high amounts of revenue for their owners and various types of remunerations for other business enterprises like hotels and restaurants. The addition of these teams (and others before them) established a banner of civic pride amongst city, metro and state residents. Hundreds of thousands of Coloradans either attend or watch the weekly games of these teams. The downtown area of Denver consistently uses these teams to polish its image as a winning city, one that is attractive for new outsiders to move to permanently. The changes in the destruction and formation of these teams' sports arenas/stadiums have assisted in downtown development/revitalization efforts in the city.
