DENVER — Denver City Council approved wide-ranging new rules for nightlife entertainment businesses Monday night, requiring surveillance cameras and prohibiting weapons on the premises while eliminating what officials call outdated licensing requirements. The ordinance requires nightlife venues to make "reasonable efforts" to prevent disorderly crowds from forming within 25 feet of their entrances and exits. Anaya Salcedo Eric Escudero, a spokesperson for Denver's Department of Licensing and Consumer Protection, said the new safety rules require entertainment venues to play their part in keeping Denver safe. The new licensing framework consolidates 14 existing license types into 3 categories: limited entertainment, nightlife entertainment, and adult entertainment. "But one thing that hasn't changed is regulations for nightlife and entertainment businesses across Denver.