Yosemite National Park signed three new sister park agreements on Thursday, September 29, 2016 with Cumbres de Monterrey National Park in Mexico, Blue Mountains National Park in Australia, and Wadi Rum Protected Area in Jordan. Park officials joined Yosemite Acting Superintendent Linda Mazzu to sign a formal agreement between each park and Yosemite, which cemented a formal relationship as the National Park Service enters a second century of service. https://www.nps.gov/yose/learn/news/yosemite-national-park-signs-agreements-with-three-new-international-sister-parks.htm