From 1890 to 1900, 20 tons of ivory were shipped every year from Siberia to London. All of this ivory was taken from the remains of woolly mammoths, which have been extinct since the Ice Age.Related Facts:Some Woolly Mammoths had15-foot-long (4m) tusks.Soccer player Didier Drogba is credited with…About 100 elephants are being killed every day for…