<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">big tops</topic></authority><related type="broader"><topic>performing arts buildings</topic></related><variant type="other"><topic>big top</topic></variant><variant type="other"><topic>circus tent</topic></variant><variant type="other"><topic>circus tents</topic></variant> <note xml:lang="en"><![CDATA[ Big tops, or circus tents, were first introduced ca. 1825 by the American itinerant company of J. Purdy Brown. This innovation soon became a standard of circus performances worldwide. Where a circus is made up of multiple tents, the big top is the main tent. ]]></note></mads>