3
Jan

mental_floss Blog & 10 Notable Staircases

http://www.mentalfloss.com/blogs/archives/17063

World’s most dangerous stairs! Catchy, fun and not recommended for anyone in consumer society who may be over the age of 60, or on drugs. (It’s a niche market). But I’d love something like this in my house. Maybe it’s because I like to try to walk upside-down the stairs.

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