Question: What was the first  form of shopping precinct or shopping center, in which one or more buildings form a complex of shops representing merchandisers with interconnecting walkways that enable customers to walk from unit to unit in Brasília?
Sentence (from "Asematunneli"): The area also has a ticket sales area for the Rautatientori metro station and connections to the nearby Forum shopping mall as well as Stockmann and Sokos department stores.
Relevant evidence: No