For the floor, the architects chose black slate from the province of San Luis, a material that was popular in 1950s Argentine weekend houses.  Photo 5 of 11 in Pops of Color and a Concrete Cube Make This Argentina Retreat Like “a Ball Pit for Grown-Ups”

Pops of Color and a Concrete Cube Make This Argentina Retreat Like “a Ball Pit for Grown-Ups”

5 of 11

For the floor, the architects chose black slate from the province of San Luis, a material that was popular in 1950s Argentine weekend houses.