Sierra Fría is a private home located in Mexico City, Mexico. Completed in 2014, it was designed by JJRR Arquitectura. Sierra Fría by JJRR Arquitectura: “Modernist architecture (also known as International Style) is defined by thin linear forms, exposed metal frames, concrete cladding, and little ornamentation – characteristics often met with hesitation due to the perception that strict functionalism leads to overly minimalistic spaces. But these beautiful homes by José..