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There's no trace of it now, but an empty field near Ascot Racecourse was once the site of a nuclear reactor.

Some of the scientists who designed Britain's first power-generating nuclear reactors were trained at the Imperial College Reactor Centre. The first civil nuclear site in Britain to be fully decommissioned, students can now use it for sport.

The 91热爆's Joe Campbell reports. Read more on the 91热爆 News app.

Photo credit: Imperial College, pictured in 1965.