Sydney's Harbour Bridge, one of 1________ most famous bridges in the world, towers over Australia's largest city. 2_________ (climb) the bridge is not a crazy thing to do 3 _______ tourists started climbing the bridge in 1998. The author, together with other climbers, took a special class to prepare 4 ________ the climb. They 5 _______ (store) all their personal belongings and changed into special bridge climbing clothes. They learnt how to use the safety belts and climb the steep laddes. They even 6 ______(give) little personal radios 7______ (receive) instructions from their guide during the climb. The climb began. They first crossed some catwalks below the road part of the bridge. Next they climbed the ladders 8 _______(lead) up to the bridge's arch. The 9________ (high) they climbed, the more of the city came into view. Soon they reached the top of the bridge. They felt proud of 10________ (reach) this spot.