excavation

In excavations that began in 2003, he and his colleagues have unearthed more than 100,000 fossils representing about 100 different species—mostly marine, but also land animals washed out to sea.

An excavation in the 1990s unearthed dozens of medieval graves.

Mr Rubio described the excavation as "perhaps one of the most important archaeological sites on the planet", saying it had deep meaning to people in the United States.

One of their earliest connections was a shared interest in Freud and Jung, giving Ballesteros the sense the film would always be as much a psychological excavation as a chronicle.

The University of Glasgow team will work with volunteers and students to undertake excavation and survey work at the former Kelvin Wheelies park in Kelvingrove Park.