On the otherside, underground space can be used totally different.In a city like Kiev, Ukraine is proven, it can be done otherway. The underground tunnels are rebuild by the city and they made there Metrograd, the underground city mall, where everything is for sale. The weekend and week public exists out of shopping diva's and young hanging teens, meeting each other and socializing, while walking the galleries, where you can buy brand textiles aswell as furniture, until the most beautiful bouquetes with flowers. Even a sexshop and a bridal wear store is existing there next to each other, among the amountless of foodstops, cafe's and eat houses. Theatre is available and also a real cinema. All in one and a total different public, guarded by guards and away from the hectic life above ground.
Everyone ever visiting Kiev should at least take a peak. The Metrograd system spreads out from the heart of the center until its borders and there are several layers available.
Internetshops, squares with terraces to drink, all is available to entertain the visitor in the underground city. From aquaria till jewelry, everything is available and on the borders a lot of market people and illegal stands will sell you what is not immediate available in Metrograd itself.
So underground does not mean only darkness and homeless despair, but there is also existing light at the end and in the tunnel. Depending how inventive humans are going along with their given space.
