Architechure

The arch is one of the most reliable and enduring of structural forms. In this video, 2,000 years of the arch's development are reflected in three stunning examples: rounded Roman arches in France, pointed and flat Gothic arches in Cologne, and modern arches in Hamburg. (24 minutes)

Like other technologies, architecture has changed across the centuries. The discovery of new materials, the understanding of physical principles, and the development of new construction techniques have permitted architects to extend the boundaries of the possible. This program demonstrates some of the basic architectural techniques, such as the arch and the use of beams; shows how lasers and photography are used in conjunction with traditional techniques to preserve endangered monuments; and shows innovative uses of textiles in an architectural context. (23 minutes)

Leisure activities are as fundamental to society as work or rest. This video looks at the challenges of building arenas for popular entertainment. Venues for pastimes from different ages are represented: a Roman amphitheater, a Victorian glasshouse, and a modern stadium. (24 minutes)

The sea has always posed a challenge to the expansion of human civilization. This video looks at three structures that all have to deal with the threat of the sea: a lighthouse, flood gates, and an oil rig. (24 minutes)