The pyramids of Giza are probably one of the most famous structures on the planet, what attracts people visiting these pyramids are the number of secrets, mysteries and unearthly precision, it is very hard to believe that this amount of perfection was achieved, 4000 years ago Aliens built the pyramids obv — Elon Musk (@elonmusk) July 31, 2020 Pyramids are about 147 meters tall structures, and this was enough to make them the world’s tallest structure until the Eiffel tower was built, they are made up of 2.3 million blocks of limestone, with each block weighing 2.5 tons, the blocks are placed so preciously that even a credit card cannot go in the space between 2 blocks, it took around 20 years to build them, with that speed, it would require to put 1 2.5 ton block every 3 minutes Moreover, pyramids are not just a normal set of blocks placed to form a triangular prism, but they are architectural masterpieces, which makes the most special is, the perfect alignment of ...