Within the genus Homo, cranial capacity again doubled from H. habilis through Homo ergaster or H. erectus to Homo heidelbergensis by 0.6 million years ago. The cranial capacity of H. heidelbergensis overlaps with the range found in modern humans.
The original height of the Pyramid was 146.5 m (488 ft), but today it is only 137 m (455 ft) high, the 9 m (33 ft) that is missing is due to the theft of the fine quality white Tura limestone covering, or casing stones, for construction in Cairo. It is still the tallest pyramid.
1 Cairo, Egypt is at 30 6'N, 31 24'E, 75 m (244 ft). 2  See map. 3  Cairo has a subtropical desert / low-latitude arid hot climate (K ppen-Geiger classification: BWh). 4  According to the Holdridge life zones system of bioclimatic classification Cairo is situated in or near the subtropical desert biome. See map. 2  Cairo has a subtropical desert / low-latitude arid hot climate (K ppen-Geiger classification: BWh). 3  According to the Holdridge life zones system of bioclimatic classification Cairo is situated in or near the subtropical desert biome. 4  The mean annual temperature is 21.4 degrees Celsius (70.5 degrees Fahrenheit).