Complete the sentence with the correct part. So, why does he do it? Apart from raising awareness about world issues such as climate change, Alain wants people to see their environment differently. He says, "Maybe they think their building is ugly, this big tower with lots of glass - the opposite of a natural landscape. But for me, it's a kind of urban mountain. So I use the place where they work, and I make it a kind of wonderland. Everywhere I climb, I see people who are happy." Alain climbs skyscrapers because he wants to