Terracotta is a wonderfully earthy, traditional Italian material, derived from clay. But there's more to it than flower pots, as this collection of modern objects crafted from the earthenware proves.
Many incredible works of art have been made using terracotta, including the world famous Terracotta Army created for the first emperor of China. But because terracotta is often simply unglazed clay, many of the finest works were lost long ago.
There are plenty of technical hurdles keeping the masses from decking out their roofs with solar panels, but their general ugliness doesn't help much either. Tegolasolare puts their photovoltaic panels second to the surrounding architecture, not the other way around.