http://www.skyarts.co.uk/ Sky Arts' television channels offer a distinctive mix of rock, jazz, classical and world music, opera, dance, drama and literature, film, architecture and design programming. Sky Arts 1, Sky Arts 2 and Sky Arts HD are available in millions of Sky homes in the UK and Republic of Ireland. pl_images/A.jpg From the Petronas Towers in Malaysia and Q1 on Australia's Gold Coast to The Sears Tower, Chicago, Vertical City captures the awesome majesty of the globe’s most iconic skyscrapers, revealing how they were built and the significance they hold. pl_images/A.jpg Charlie Luxton is one of the architecture experts presenting the series. Alongside his TV projects, he has also worked on environmental housing schemes in Portugal. pl_images/A.jpg The Q1 on Australia's Gold Cost (pictured) qualifies as the tallest all-residential building in the world when measured to the top of the spear, but Melbourne's Eureka Tower overtakes Q1 for world's highest inhabitable floor. pl_images/A.jpg We suspect Charlie Luxton found washing the windows on 99th floor concentrated the mind beautifully on not tripping over the bucket... pl_images/A.jpg Technologies like the computer and developments in steel revolutionised the way skyscrapers were built, making the John Hancock Center in Chicago one of the most influential skyscrapers of the Twentieth century.