The interior of the bar is made of ice, and customers are served with drinks in glasses made of ice. Temperatures in the Czech Republic are expected to rise up to 40 degrees Celsius (104 degrees Fahrenheit) on Sunday. Customers enjoy a drink in Ice Pub Prague in central Prague July 25, 2013. [Photo/Agencies]

A customer enjoys a drink in Ice Pub Prague in central Prague July 25, 2013. [Photo/Agencies]