The "Vagabond Street" is the most lively neighborhood in the old city of Barcelona, where you can experience the fascinating and vibrant culture of Barcelona life and the city.
There is a place in Tunisia in North Africa where people invented an underground "hanging house" to adapt to the climate of the Sahara Desert. This kind of building is called "alien chess piece" and attracts tourists from all over the world.
Even more than Bill Gates, Buffett?!