What is the fine-grained topic of the following text: The Omaha area has rock clubs and arenas, theaters and amphitheaters, but it doesn’t have anything quite like the venue being built in La Vista by local promoter 1% Productions, Kansas’ Mammoth Live and Omaha developer City Ventures. Only return the topic.
Construction of a new unique venue in La Vista by 1% Productions, Mammoth Live, and City Ventures.