at a glance

the guide also shows streets, bus and metrô stations, along with color coded symbols to highlight the most popular stores. 

the popular market of the uruguaiana street, one of the most recent market s in the area - conveniently, right at the uruguaiana subway exit, the mercado popular da uruguaiana, also known as camelódromo, is located.

this structure was put in place by the city to group and organize under the same pavilion dozens of street vendors, creating an additional option for very inexpensive shopping.  

street vendors in rio are called camelô, and so the structure  was named camelódromo, where the word 'dromo' means 'venue'.