Police blocked several roads in the area of Upper Terraces of Yellowstone National Park. Officially it announced that it is due to overheating of the earth. The Temperature at dangerous places reaches 70 degrees. Roads are blocked and near the Great Hot Springs due to the fact that the thermal outputs damaged the roadbed. According to the park geologist Hank Heslera, abnormal heat in the region came to the surface. Two drilled a sampling half-meter hole once filled with boiling water.