Pyramid building theory

Since ancient times, people have speculated as building the pyramids of the ancient Egyptians managed without modern machinery, move such large stone blocks. There are even versions of such crazy as extraterrestrial civilizations and giant help.
However, the University of Amsterdam, physicists say setting method which deserts workers at the time used. And it is based on the wet sand.
By building the pyramids of the ancient Egyptians had to transport heavy stone blocks and huge statues in the desert, the authors commented. The team tried to replicate it and came to the conclusion that wet sand is the answer to the public torturing question. Residents those times, to place heavy objects on the sleigh, and workers drawn to a sled through the wet sand.
Although this is just a good guess.