Fly over Barcelona and the roofline tells you exactly where you are. Block after block of flat terracotta rooftops stretch from the Gothic Quarter to the Eixample, a color as much a part of the city’s identity as Gaudí’s spires. They define the skyline—but they also absorb solar heat, increasing cooling demand and contributing to […] The post A cooler future for Barcelona’s iconic Terracotta roofs appeared first on Vibrantz Technologies .