The Nine Muses of the Greek Mythology were deities that gave artists, philosophers and individuals the necessary inspiration for creation. ... The word museum also comes from the Greek Muses. The Nine Muses were: Clio, Euterpe, Thalia, Melpomeni, Terpsichore, Erato, Polymnia, Ourania and Calliope.
Blacksmiths make many handy tools and horse shoes. Basically anything made out of iron.
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Because it is fun and also wanted money
Keith Haring chose graffiti for creative expression