Is it art or vandalism? Britain is divided by graffiti. Recently, a British judge was so impressed by one graffiti gang, called SMT, he said in court that they should be proud of their work.

Do you know the open-air art gallery in London's Blackall Street? Not many Londoners know it either, but Henri does and he is willing to show it to you.

In English the colour green is associated with jealousy, which is sometimes jokingly called 'the green-eyed monster'.