Mega firmament in real estate

Most of the cities in the world prefer developing high-rise construction. Almost all the big cities consist of various multi-storied edifices. This very feature of employing areas is believed to be reasonable as it saves a lot of space for parks and recreation areas. But the principle has slightly changed with time, because of the necessity to provide relevant infrastructure to guarantee real estate functioning (dual-purpose stations, parking lots etc.). These facilities usually occupy from 15 to 20 percent of the whole free space, which means there