<?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">earthen architecture</topic></authority><related type="other"><topic>earthworks</topic></related><related type="other"><topic>hillside architecture</topic></related><related type="other"><topic>underground structures</topic></related><related type="broader"><topic>single built works by location: topographical</topic></related><variant type="other"><topic>architecture, earthen</topic></variant><variant type="other"><topic>earth architecture</topic></variant><variant type="other"><topic>earth construction</topic></variant> <note xml:lang="en"><![CDATA[ Buildings and other architectural structures constructed wholly or primarily of earth. For engineering works, such as trenches, created in the earth, use "earthworks (engineering works)." For structures built on a hillside rather than into it, use "hillside architecture." For structures built under the surface of the ground, but not made primarily of earth, use "underground structures." ]]></note></mads>