It’s hard to believe that the 1972 Apollo 17 missions was the last one in which humans actually walked on the surface of the moon, but despite that fact, NASA has just released a rarely seen photo of its crew harvesting rocks. Continue reading for a video and more information.

Apollo 17 was the sixth and last Apollo mission and the last time that humans walked on the surface. The mission returned to earth on December 19, 1972. The team carried out a series of experiments including seismic profiling, atmospheric composition analysis and lunar sampling, orbital and biomedical experiments. The crew spent 22 hours on the lunar surface in total.