Nepal has ordered a new survey of Mount Everest to end the "confusion" over the exact height of the world's highest mountain, a government spokesman has said. The official overall height of Everest is designated as 8,848m (29,029ft). But China and Nepal have had a long-running disagreement over the height. The Chinese have argued it should be measured by its rock height. Nepal said it should be measured by its snow height - which is four metres higher. Read More