By 1905, there was no establishment dedicated to the preparation of coffee in Medellin. coffee in Medellin. The appearance of the coffee shops as a social as a social place goes hand in hand with the transformation of the city in the early the city at the beginning of the twentieth century, and what this implied in terms of urban spaces and in terms of urban spaces and rituals. But coffee literally went out of the house to the street, with the production of ground coffee. the production of ground coffee. The beverage was prepared and perico, and sold in the streets by piernipeludo boys who came out of the piernipeludos boys who went out with thermoses and porcelain pots; and a pot full of water to wash the pots. water to wash the pots after use.