Royal Monastery of San Lorenzo de el Escorial. Sixteenth century palace and monastery built during the reign of Phillip II. Exterior with tourist visitors in foreground.

Yungang Caves. Chinese visitors at cave entrance in ancient Buddhist site containing carvings dating from AD 386 - 534.

Yungang Caves. Chinese visitors at ancient Buddhist site with carvings dating from AD 386 - 534.

Yungang Caves. Chinese visitors at ancient Buddhist site with rock carvings dating from AD 386 - 534.

Yungang Caves. Chinese visitors at ancient Buddhist site with rock carvings dating from AD 386 - 534.

View north over city from top of the Empire State Building at 8.30 a.m. with line of visitors looking out through expanse of glass.

View north over city from top of the Empire State Building at 8.30 a.m. with line of visitors looking out through expanse of glass. One person using camcorder.

Metropolitan Museum of Art. View over the Main hall with visitors.

Natural History Museum. Dinosaur skeleton exhibits in the Main Hall with visitors

Interior hall of the Chinese Military Museum with visitors looking at display of military aircraft tanks and missiles.

Tiantan Park. Stone walkway and view up steps towards the Hall of Prayer for Good Harvests with visitors looking at tiered and decorated exterior.

Tiantan Park. The Hall of prayer for Good Harvests qi nian dian . Tiered highly decorated exterior with visitors on steps in foreground.