Original sentence: In 2007 Grylls claimed a new world record by flying a petrol powered paraglider over the Himalayas higher than Mount Everest
Edited sentence: However, Richard Meredith-Hardy successfully piloted a microlight over Everest in 2004 and it is more likely Grylls bottled out because the attempt was too ambitious.In 2007 Grylls claimed a new world record by flying a petrol powered paraglider over the Himalayas "higher" than Mount Everest