Crude extent of pantanal 'eyeballed' from public domain wikipedia content, see: https://en.wikipedia.org/wiki/File:Pantanal_55.76W_15.40S.jpg

pantanal_osm.xml

<?xml version='1.0' encoding='UTF-8'?>
<osm version='0.6' upload='true' generator='JOSM'>
  <node id='-52575' action='modify' visible='true' lat='-13.50448483093' lon='-62.08751677871' />
  <node id='-52576' action='modify' visible='true' lat='-15.12250742666' lon='-59.97814177871' />
  <node id='-52577' action='modify' visible='true' lat='-15.24973961872' lon='-55.10021209121' />
  <node id='-52578' action='modify' visible='true' lat='-17.98657033036' lon='-54.35314177871' />
  <node id='-52579' action='modify' visible='true' lat='-21.3379901871' lon='-55.31993865371' />
  <node id='-52580' action='modify' visible='true' lat='-21.66508607218' lon='-56.72618865371' />
  <node id='-52581' action='modify' visible='true' lat='-22.60133321822' lon='-57.82482146621' />
  <node id='-52582' action='modify' visible='true' lat='-23.41032659659' lon='-58.70372771621' />
  <node id='-52583' action='modify' visible='true' lat='-23.32964630439' lon='-59.67052459121' />
  <node id='-52584' action='modify' visible='true' lat='-21.13318341684' lon='-59.45079802871' />
  <node id='-52585' action='modify' visible='true' lat='-19.27744323288' lon='-60.37364959121' />
  <node id='-52586' action='modify' visible='true' lat='-17.94476772628' lon='-60.32970427871' />
  <node id='-52587' action='modify' visible='true' lat='-14.99519883606' lon='-62.96642302871' />
  <way id='-52574' action='modify' visible='true'>
    <nd ref='-52575' />
    <nd ref='-52576' />
    <nd ref='-52577' />
    <nd ref='-52578' />
    <nd ref='-52579' />
    <nd ref='-52580' />
    <nd ref='-52581' />
    <nd ref='-52582' />
    <nd ref='-52583' />
    <nd ref='-52584' />
    <nd ref='-52585' />
    <nd ref='-52586' />
    <nd ref='-52587' />
    <nd ref='-52575' />
    <tag k='name' v='Pantanal' />
    <tag k='natural' v='wetland' />
    <tag k='source' v='Bing' />
    <tag k='wikipedia' v='en:Pantanal' />
  </way>
</osm>