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◆Radiation measurement◆ With the measuring device placed under natural conditions, the radiation level was 0.131 microsieverts/h, which is the radiation we are exposed to in our daily lives. The best spots in Tamagawa Onsen that only a few people know about are the area near the rock in front of the red torii gate at the entrance to Yakushi Shrine, the sandy area under the Beitou stone, the square in front of the Obuku, inside the tent, and the flat gaps in the rugged rocks around the tent, all of which have high levels of radiation.