Philip Kennicott visited New Gourna and Cairo in Egypt and Diyarbakir in Turkey to explore historic cooling techniques. Sima Diab photographed them in Egypt. Dec. 28 at 6:30 a.m.

Cool is hardly good enough to describe the 16th- to 19th-century antiquarian prints and rare maps you will find at Beaux Arts. The prints are of botanicals, natural history and architecture and ...