The Himalayas are the best-known mountain .....1..... in the world and Mt Everest, with a .....2..... of 8, 880 meters is the highest mountain. Since Edmund Hillary made the first .....3..... in 1953, .....4..... from many countries have managed to .....5..... to the .....6..... Normally they need to take .....7..... cylinders to help them breathe and other special .....8....., including .....9..... to connect themselves to each other. It's a dangerous sport and many people have lost their lives, not just on the way up but during the .....10..... as well. .

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