Don't try this at home. These are the shocking pictures that show Prince Harry inhaling vodka through his nose in a drinking game medical experts warn could KILL.

PICTURES REMOVED VIA REQUEST

These pictures are taken from a video of Harry's holiday in Namibia and will bring fresh shame on the boozed-up royal.

In the video, pals cheer loudly as Harry slugs a bottle cap of vodka, swills it around his mouth, spits it back into the cap and then snorts it up his nose. Seconds later, Harryâ€"a 2nd Lieutenant in the Blue and Royals â€"closes his eyes and shakes his head as the alcohol, shooting straight into his bloodstream, takes effect.

Experts on drink abuse have warned that the game is potentially deadly.

Professor Ian Gilmore, president of the Royal College of Physicians, said: "There are all sorts of additives that could cause an allergic reaction which could damage the lungs, mucus membranes of the nose and trachea. It could kill."

Frank Soodeen from Alcohol Concern added: "By by-passing the liver, you run the risk of inflaming the brain and possibly causing long-term damage. It's a practice to be avoided at all costs. It's very irresponsible."

The video was shot as Harry enjoyed a four-day canoe trip with girlfriend Chelsy Davy and more than 20 pals on the Orange River in Namibia last November. The damaging footage will fuel speculation that 23-year-old Harry's drinking is out of control. The prince was pictured falling over outside a Mayfair club in April and drunkenly partying with Canadian bar girls in June.

A royal source said of the vodka-snorting: "Everyone knows Harry likes a drink but this could have caused him serious damage."

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In an interview to be broadcast Monday on NBC, Princes William and Harry told "Today" show co-host Matt Lauer that their grieving process has been a long one, bereft of "peace and quiet" because of nonstop media attention.

"There's not a day goes by I don't think, you know, that I don't think about it once in the day," said Prince William.

Time also hasn't stopped Diana's sons from wondering -- like much of the public -- whether her death could have been avoided. "When people think about it, they think about her death. They think about, you know, how wrong it was. They think about, you know, whatever happened," Harry said.

He continued: "You know, no one will ever know. And I'm sure people will always think about that the whole time."

"Have you stopped wondering?" Lauer asked.

"I'll never stop wondering about that," Harry said.

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While Prince Harry tunes out, big brother Prince William and girlfriend Kate Middleton are on the edge of their seats at the RBS Six Nations rugby championship in Twickenham, England, on Saturday. The royal cheers worked: England beat Italy, 20-7.

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