On the West Embankment:
Due to certain biases, the ancient Egyptians built their pyramids on the same side of the river Nile — on the west dam. The pyramids were also all facing the sun as it was believed that the sun was the home of the dead. An alternative reason for building pyramids on the west dam is due to fear of grave robbers. Egyptian kings feared being robbed after death, so they took all their wealth to the grave or tomb.
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The belief that the pyramids were a safe place to store wealth after death was soon debunked as the wealth only made pyramids a convenient target for grave robbers. The pyramids were designed so that only those who knew their way around the secret passages could reach the burial chambers. But this was not enough to deter grave robbers who still managed to navigate their way around the treasure trove.