<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31351711</termId><termName>caves</termName><termType>PT</termType><termNote><![CDATA[ Natural openings in the earth large enough for human exploration, the largest and most common being those formed by a chemical reaction between circulating groundwater and limestone or dolomite bedrock.  ]]></termNote><termCreatedDate>2026-03-30 20:34:54</termCreatedDate><relation><relationType>UF</relationType><termId>31351712</termId><termName>cave</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324165</termId><termName>landforms</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31383143</termId><termName>natural tunnels</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31381919</termId><termName>cave architecture</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31402385</termId><termName>cave paintings</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31417983</termId><termName>burial caves</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31418086</termId><termName>cave churches</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31418093</termId><termName>cave temples</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31418098</termId><termName>cave dwellings</termName><termType>PT</termType></relation></term>  </Zthes>