Kibera, one of Africa's largest slums; cable cars and amazing architecture in Columbia.

From the simple, to the profound to the life changing, see how design ideas and solutions are making a difference in the lives of millions around the world.

A changing environment and shifting population patterns present significant new demands on cities worldwide. Luckily, people are coming up with ingenious answers.

Come see how an organization founded by 50 street beggars is now building a brand new town in Kenya.