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For the first time in 2,000 years, tourists will have access to the ancient city of Hegra in Saudi Arabia.

The history of humanity's oldest civilization are being revealed with the help of Artificial Intelligence.

Treasure hunters have searched for the Holy Grail for centuries, and hundreds of people have claimed to possess it.

They didn't just exist in Egypt, learn a little more about the significance and the most famous mummies around the globe.

This is a real danger that we can face if we are not properly protected against space objects that are on a collision course with Earth.

The first dimension is height, the second is width, the third is depth, and the fourth is time, but no one has yet been able to explain what is the fifth dimension.

Now we have more evidence to believe that there is, in fact, a fourth spatial dimension in the universe.

Scientists around the world have tried to unravel its contents, but none have succeeded. Now, technology promises to help solve this 600-year-old mystery.