Some of the temples had to be moved or they would be underwater.
These are known as the Abu Simbel temples. From Wikipedia : "The complex was relocated in its entirety in 1968, on an artificial hill made from a domed structure, high above theAswan High Dam reservoir. The relocation of the temples was necessary to prevent their being submerged during the creation of Lake Nasser, the massive artificial water reservoir formed after the building of the Aswan High Dam on theNileRiver."
Aswan's population is estimated to be around 400,000 people. It is a city located in southern Egypt and is known for its ancient history, including the nearby temples of Philae and Abu Simbel.
because he did
Two dams were built at that point - the newer Aswan High Dam and the older Aswan Dam or Aswan Low Dam.
by building the Aswan Dam
The Abu Simbel temples are two massive rock temples in Abu Simbel (أبو سمبل in Arabic) in Nubia, southern Egypt. They are situated on the western bank of Lake Nasser, about 230 km southwest of Aswan (about 300 km by road). The complex is part of the UNESCO World Heritage Site known as the "Nubian Monuments,"[1] which run from Abu Simbel downriver to Philae (near Aswan).The twin temples were originally carved out of the mountainside during the reign of Pharaoh Ramesses II in the 13th century BC, as a lasting monument to himself and his queen Nefertari, to commemorate his alleged victory at the Battle of Kadesh, and to intimidate his Nubian neighbors. However, the complex was relocated in its entirety in 1968, on an artificial hill made from a domed structure, high above the Aswan High Dam reservoir.The relocation of the temples was necessary to avoid their being submerged during the creation of Lake Nasser, the massive artificial water reservoir formed after the building of the Aswan High Dam on the Nile River. Abu Simbel remains one of Egypt's top tourist attractions.
With the building of the Aswan Dam there is no flooding.
Egypt and Sudan. Sudan provided money and men.
The Aswan Dam was built to control the niles constant flooding. The Aswan Dam had a trade-off. It promoted good fising and created electricity for factories, but also grows crops that kill plants and have disease carrying snails.
The most common one is Temple Complex of Philai
It is not a problem since it is controlled by the building of the Aswan High Dam completed in 1970.
Before the building of the Aswan High Dam the river Nile flooded yearly and deposited nutrient rich sediments on the surrounding farmland.