Crowds are swelling at ancient sites, prompting a surge in demand for headgear. Various types of hats are being sold, including those made of straw and canvas.

Vendors are taking advantage of the trend, setting up displays of hats in prominent areas. These displays are filled with a wide range of hats, from casual to more formal styles.

Further information about the popularity of hats this summer is available from the source, which reports on the scene in Athens, Greece.