Some of Cairo denizens still live in crypts on the cemetries. Most of Egyptians don't have passport. It's not known how many peolpe live in Egypt. As local officials told me, they put into computer a human tendency to reproduction and nearly count the "human recource" -- a biomass in the straight sense. And middle class is counted by the amount of satellite TV owners -- this number is equal to 5% of people. /Oles' Buzina/