Four weekend festivals organized around scientific disciplines, are held during the year.

At first light final checks are made to the hot air balloons for the start of the weekend festival.

This annual weekend festival has been called one of the summer's best parties and hottest charity events.

Over 200,000 separate tickets were sold for the weekend festival.

Elaborate weekend festivals and other events draw up to 10,000.

Those are the occasions of the vogue, a weekend festival.

They found a city committed to a positive, enjoyable and peaceful weekend festival.

Business associations started weekend festivals, which attracted even more people to the city.

A variety of weekend festivals occur throughout the year.

In its second year this weekend festival is going head to head with Lollapalooza.