What is a trullo?

The appearance of a trullo, a timeless rural building, has always been associated with Apulia as one of the most typical expressions of its rural soul. It is represented at its best in the town of Alberobello, which was lately included into Unesco’s world heritage sites. The trullo architecture is based on the joining of a conical shape to an underlying, usually cubic structure; the covering of the building is formed by the so called false dome.
The keystone is marked by the typical cuspidate element usually adorned with a stone globe or a pinnacle of various shape. The domes are often decorated with whitewashed sacred and profane symbols, crosses, crescents of signs of the zodiac.