Summary 1: Jaime Lerner uses a funny tone to explain how to solute practical problems in city. Because a city is a complicated system, he mentions combining automobiles with other elements is a good way to improve people's life.
Summary 2: Vik Muniz show audiences how he use his creativity to make his artwork with normal and daily materials.
Summary 3: Doris Sung introduce the process of his sculptures. She crisscrosses metal trips to imitate personal skin, which would create a new type of architecture.