11.   Hiking abounds, ranging from an easy stroll along well-maintained trails to difficult climbs that should only be attempted by those with expertise.

12.   It was the second of those wins, on a difficult climb up the Alps, that brought the scrutiny of French newspapers.

13.   Starting Tuesday, riders will spend five stages tackling exceptionally difficult climbs that force many competitors to abandon the event.

14.   The group spent several days investigating the site, reachable only by a difficult climb.