A man rides a horse near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

People have a walk near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Children play near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Children play near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

People have a walk near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Photo taken on April 5, 2021 shows the Bent Pyramid during sunset in Giza, Egypt. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Photo taken on April 5, 2021 shows the Bent Pyramid during sunset in Giza, Egypt. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Children play near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Young men ride a motorcycle near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

A man rides horse near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)

Young people ride motorcycles near the Bent Pyramid in Giza, Egypt, April 5, 2021. The Bent Pyramid has a history of more than four thousand years, locating at Dahshur royal necropolis in Giza, south of Cairo. The pyramid was named as the "Bent Pyramid" or "the Pyramid with Two Angles" for having two different angles of inclination from base to top. (Photo: Xinhua)