| Description | Five colour photographs, taken from 35mm slides, and one long, composite black and white photograph, showing Dan McKenzie wtih Keith Runcorn and William Bullerwell generally alongside [presumably] members of the Chinese Academy of Sciences, at the Great Wall of China and other sites around the country, [April-May 1977]. |
| Administrative History | Between 17 April-7 May 1977, geophysicists Dan McKenzie, Keith Runcorn and William Bullerwell took part in a Royal Society exchange visit to the Chinese Academy of Sciences. |