독일에서는 일찍이 1820년대에 400세대, 2천 명이사는, 당시로서는 거대한, 노동자를 위한 집합주택군이 출현했다.
In Germany, as early as the 1820s, 400 households and 2,000 people lived, and at that time a huge group of apartment complexes for workers appeared.