CAIRO, July 15, 2016 (Xinhua) -- A part of King Khufu's papyri is displayed for the first time at the Egyptian Museum in Cairo, Egypt on July 14, 2016. The Cairo's Egyptian Museum showcased for the first time a collection of papyri that date back to King Khufu, who ruled during the Fourth Dynasty in the first half of the Old Kingdom period (26th century BC) in ancient Egypt.(Xinhua/Zhao Dingzhe)