第一个法老以前的数千年,猎人和采集者就沿着大河而生活。他们适应其环境是基于晚后的农业和高度文明的发展。现在,埃及开罗南部的年降雨量如有的话也是以毫米计算的。自法老时代以来这已是准确无误的。然而在较早的时代,尼罗河的水面更高得多。这条大河及其季节性的支流浇灌着一片虽然被荒凉的沙漠包围,但土 For thousands of years before the first Pharaoh hunters and collectors lived along the river. Their adaptation to their environment is based on later farming and highly civilized development. Now, annual rainfall in southern Cairo, Egypt, is also measured in millimeters, if any. This has been accurate since the Pharaohs. However, in earlier times the surface of the Nile was much higher. This river, with its seasonal tributaries, is planted with a piece of land, surrounded by desolate deserts,