25:21
History's ancient legacies: Stonehenge
Stonehenge is an incredible monument dating from around 2,800 BC. Using the very latest in advanced computer animation, this video lets the student step back in time to see the origin of the stones and the monument in its original form. Leading auth...
28:56
Physical Geography: Making Sense of Planet Earth - Human Impacts on the Natural Environment
About this title: Human beings have become a geographical force. In the 21st century human beings each year bring more change to the surface of the planet than all the natural forces combined. In this final program Alec Murphy presents an intriguing...