内容摘要：Humphrey said there were similar food restrictions in his Shanghai prison, adding that this led to power struggles among the inmates: "The kitchen was run by prison labour. Those who worked there stole the best stuff and it could then be distributed."

Humphrey said there were similar food restrictions in his Shanghai prison, adding that this led to power struggles among the inmates: "The kitchen was run by prison labour. Those who worked there stole the best stuff and it could then be distributed."

At the time, Dan Evans said he and his compatriots were "in the best spot" on clay for "a long time"- and he may actually have had a point.But what tools are needed to succeed on clay?

Clay is a slower surface than grass, which means more rallies, more sliding and more running.Take Iga Swiatek, for example. The four-time French Open champion is an outstanding mover. Her speed allows her to cover the court as efficiently as possible and recover quickly enough to help tee up her aggressive forehand.Fitness is one of the reasons Draper has had success on the clay - a surface he did not have much experience or joy on before this year.

Draper retired injured on his French Open senior debut two years ago and later lamented being "the guy who's injured a lot" after retiring from three successive Grand Slam matches.But bringing in team members focused on fitness - Draper has hired physio Shane Annun and fitness trainer Matt Little, both former members of Murray's team - has paid off.

Draper went through three successive five-set matches at the Australian Open and has been a constant presence on the tour since then.

After reaching the Madrid final, Draper went straight to Rome for the Italian Open.BBC News has come to Pipestone Creek to witness the sheer scale of this prehistoric graveyard and see how researchers are piecing together the clues.

Thousands of fossils have been collected from the site, and are constantly generating.

The bones all belong to a dinosaur called Pachyrhinosaurus. The species, and Prof Bamforth's excavation, feature in a new landmark BBC series - Walking With Dinosaurs - which uses visual effects and science to bring this prehistoric world to life.These animals, which lived during the Late Cretaceous period, were a relative of the Triceratops. Measuring about five metres long and weighing two tonnes, the