HEFEI, Sept. 8 (Xinhua) — Scientists believe that 600 million years ago, the Earth\’s surface twice became entirely or nearly entirely frozen, a stage known as Snowball Earth. Chinese scientists have
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Freight train falls into river after bridge collapses in U.S. Montana
LOS ANGELES, June 24 (Xinhua) — A freight train fell into the Yellowstone River in the U.S. state of Montana after parts of a bridge collapsed on Saturday, authorities said.
According to the county\’s