German and Swiss scientists help the Sultanate to catalogue its record haul of valuable meteorites.

Deep in the heart of the Omani desert, the search is on for rocks worth millions of dollars: not diamonds but rubble that has fallen from the sky.

A group of German and Swiss scientists are working with the Omani government to catalogue the vast number of meteorites that lay strewn across the desert – famed as the place with the world’s second largest cache of heavenly rocks.

Al Jazeera’s Andrew Hopkins reports from Oman.