Yoshitaka Yamaguchi, 374th Civil Engineer Squadron Environmental Flight, leads an eco tour of the Tama Hills Recreation Area May 13 for citizens of Inagi City. Yokota Air Base, Japan, civil engineers lead five eco tours each year for citizens of Inagi City and Tama City, two communities which surround the recreation area. The site, a former Japanese Imperial Army munitions processing and storage plant, was so well concealed by the surrounding terrain that it remained undetected by Allied forces throughout World War II. Officials maintain the site's biodiversity and have also erected historical plaques throughout the 250-acre site containing bunkers, foundations and tunnels. (U.S. Air Force photo/Osakabe Yasuo)

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Yoshitaka Yamaguchi, 374th Civil Engineer Squadron Environmental Flight, (fourth from right) leads an eco tour of the Tama Hills Recreation Area May 13 for citizens of Inagi City. Yokota Air Base, Japan, civil engineers lead five eco tours each year for citizens of Inagi City and Tama City, two communities which surround the recreation area. The site, a former Japanese Imperial Army munitions processing and storage plant, was so well concealed by the surrounding terrain that it remained undetected by Allied forces throughout World War II. Officials maintain the site's biodiversity and have also erected historical plaques throughout the 250-acre site containing bunkers, foundations and tunnels. (U.S. Air Force photo/Osakabe Yasuo)

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Ammunition bunkers like this one at Tama Hills Recreation Area were used by the Japanese Imperial Army to store munitions prior to and during World War II. The facilities were built according to German specifications and resemble those found in Bavaria. Shortly before Japan's surrender, soldiers saturated most of the area with a highly poisonous chemical. The U.S. Army brought in decontamination and demolition teams to clear the site and check for unexploded ordnance. Yokota Air Base, Japan, civil engineers maintain the site's biodiversity and have also erected historical plaques throughout the 250-acre site containing bunkers, foundations and tunnels. (U.S. Air Force photo/Osakabe Yasuo)

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Ammunition bunkers like this one at Yokota Air Base, Japan's Tama Hills Recreation Area were used by the Japanese Imperial Army to store munitions prior to and during World War II. The facilities were built according to German specifications and resemble those found in Bavaria. Shortly before Japan's surrender, soldiers saturated most of the area with a highly poisonous chemical. The U.S. Army brought in decontamination and demolition teams to clear the site and check for unexploded ordnance. Yokota civil engineers maintain the site's biodiversity and have also erected historical plaques throughout the 250-acre site containing bunkers, foundations and tunnels. (U.S. Air Force photo/Osakabe Yasuo)

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Japanese citizens take enviromental tour

Published May 18, 2009