<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31350933</termId><termName>yakhchals</termName><termType>PT</termType><termNote><![CDATA[ Ancient structures using evaporative cooling systems, employing windcatchers and water brought from nearby springs to produce cold or even freezing conditions for storing food or ice. Developed in ancient Persia; yakhchals had a domed-shape structure above ground and a large subterranean storage space. ]]></termNote><termCreatedDate>2026-03-30 20:34:41</termCreatedDate><relation><relationType>UF</relationType><termId>31350934</termId><termName>yakhchal</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31323621</termId><termName>single built works by function</termName><termType>PT</termType></relation></term>  </Zthes>