Archaeologists show a sarcophagus with a mummy near the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done. (Photos: Xinhua)

People take photos of hieroglyphics near the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

An archaeologist works near the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

Photo taken on July 13, 2019 shows hieroglyphics near the Bent Pyramid in Giza, Egypt. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

Photo taken on July 13, 2019 shows an antiquity near the Bent Pyramid in Giza, Egypt. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

Egypt's Minister of Antiquities Khaled al-Anany (C) speaks during an interview in front of the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

Visitors take selfies in front of the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

Mostafa Waziri (C), Secretary-General of the Egyptian Supreme Council of Antiquities (SCA), introduces a sarcophagus with a mummy near the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

People visit the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.

People visit the Bent Pyramid in Giza, Egypt, on July 13, 2019. The Egyptian Ministry of Antiquities opened on Saturday the 4,600-year-old Bent Pyramid at Dahshur royal necropolis in Giza province southern the capital Cairo to visitors for the first time after its restoration and reparation works have been done.