Can you see the sunset at Burj Khalifa twice in one day?

First, you will be on the first floor of Burj Khalifa and see the sun slope westward until it sets, then you will rush straight to the elevator and go up to the highest floor in one breath. You'll be amazed to find that the sun reappears and you'll be able to enjoy the sun setting one more time.

This "open" country, houses without walls, there is no privacy between people

Do you know? There is a particularly open country in the world, the locals have little privacy to speak of, even houses are no walls, what to do at home, the outside world can see everything, the state of life is similar to those primitive tribes in Africa, but its not a tribe, but a country, called Samoa.

Aliens laid chess pieces in Tunisia

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.