Minoru Yamasaki designed World Trade Center as "beacon of democracy"

Author Justin Beal has written a book on World Trade Center architect Minoru Yamasaki. Continuing our series marking the anniversary of 9/11 he told us about Yamasaki's experience designing the building and his influence on architecture. More

Eight trends that have defined the past 20 years of skyscraper design

From glass facades to vertical farms, we take a look at some of the trends that have influenced the past two decades of skyscraper design as part of our 9/11 anniversary series. More

9/11 led to "a renaissance of tall building design" say skyscraper designers

The terrorist attacks on the World Trade Center threw the safety of skyscrapers into the spotlight, but since then they have become taller and more ambitious. As part of our 9/11 anniversary series, we look at how skyscraper design has changed over the past 20 years. More

9/11 anniversary: how the World Trade Center site was rebuilt

Next Saturday marks 20 years since the world was traumatised by the 9/11 terrorist attack on the World Trade Center. In the first piece of our series marking the anniversary of the attack, we look at how the site was rebuilt. More