El Falansterio de Puerta de Tierra - Credit: Wikimedia Commons
The Puerta de Tierra Phalanstery (Spanish: Falansterio de Puerta de Tierra), simply known as El Falansterio and originally known as the Puerta de Tierra Tenement Group Project A, is a historic district and Art Deco public housing building complex from 1937 located in the Puerta de Tierra sub-district of San Juan, Puerto Rico. Read more on Wikipedia
Source: en.wikipedia.org