Last updated at 14:23
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Pictures: Hello Kitty exhibition in Tokyo, Japan

Hello Kitty on show in Japan
The show wasn't just about diamonds... check out this bizarre arty version of Hello Kitty with a red Gaga-inspired bow hairband!
Woman looks at an artwork of Hello Kitty at an event called House of Hello Kitty in Tokyo
Hello Kitty is a character made up by a Japanese company, but in her official profile it says her full name is Kitty White and she was born on 1 November in a suburb of London.
A woman looks at an artwork based on Hello Kitty in Tokyo
Her favourite food is homemade apple pie, and her favourite word is friendship.
Hello Kitty shaped ornaments hanging from a chandelier
The nine pieces of Hello Kitty art will go on sale on an internet auction site, and the money will be donated to helping the victims of Japan's earthquake.
hello kitty
Hello Kitty products like dolls, bags and keyrings are sold around the world, and they're worth more than £500m each year to the company that makes them.
A crystal studded Hello Kitty on show in Tokyo, Japan
The character Hello Kitty is massive in Japan and around the world, so the diamond company Swarovski has made a show dedicated to her.
A woman looks at a crystal studded Hello Kitty in Tokyo