They all endured sleepless nights, as well as aches and pains due to the lack of oxygen.

BBC: Celebrity climbers reach summit

Something tells me it will be worth all the sleepless nights.

BBC: Aerial view of Great Mosque at Mecca - file 2006

If natural gas is to win by default and utilities are to get rid of all their coal and nuclear, future utility chiefs will have some sleepless nights, adds Tom Farrell, chief executive of Dominion Resources.

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