Spielplatz is a British village with a German name and a unique perspective on life as the documentary Naked Village reveals.

If you think television is all cooking shows and talent contests…well, I'm afraid, you're partly right. But tucked away there is some interesting stuff about the world around us.

A new documentary series starts this week, kicking off with a look at naturism in Naked Village (Wednesday, 9.30pm, TV One). It tells the tale of Spielplatz, a British naturist village in trouble. The majority of residents are over 60. There's hardly any money coming in and many of the facilities are looking a little aged and unloved.

Plus, developers are itching to get their hands on the prime woodland location. So they're trying to attract a new generation of nudists – by holding naked yoga sessions and body painting parties.

As you might expect, there's a lot of nudity, full frontal, everything out nudity. And that's fair enough. But they do look funny sitting around naked in their living rooms having a cup of tea or walking around wearing only shoes and carrying a briefcase. Honestly, it made me giggle. And wonder about their heating bills.

But at heart this is a melancholy tale. As the residents speak, it soon becomes clear that this isn't just about an aversion to clothing. It's about hankering after a certain lifestyle – one with a sense of community and camaraderie, shut away from the fast paced, crowded world around them.

"It's a haven of peace," says one of them.

"It's a way of withdrawing from the world," says another.

One of the residents has a visit from his two "textile" sons (textiles are clothes wearers in the village lingo). "He's got loads of friends there….and it makes him happy." says one of the sons understandingly. But he can't help giggling when he sees the naked briefcase carrier.

This doco does a great job of showing an alternative lifestyle in a sympathetic way. And whilst I doubt the sight of elderly men dancing around in glowing body paint at the village disco is going to convert many people – it does leave you just perhaps a little more understanding.

Things are a bit more grim in Ross Kemp: Extreme World (Tuesdays, 9.30pm, Prime) as it returns for series three. In the first episode, Kemp is back in Rio de Janeiro walking around favelas and "cracklands" – where crack is openly bought, sold and taken. It's a horrible slice of hardship and human life on display.

Kemp's career has been largely modelled around his thuggish looks. First as EastEnders' hardman Grant Mitchell and then as an investigative journalist prepared to go to very dangerous places and not look scared. Just to hammer home that persona, the opening credits show him in a black leather jacket, arms folded, looking tough.

To be fair, Kemp tries to get to grips with the issue and manages to get access to everyone from drug lords to policemen. But ultimately there are no real insights, unless you count what sounds like a slightly simplistic conclusion about how wealth needs to trickle down to the poor.

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