In 2002, Kenyan Maasai tribespeople donated 14 cows to the US to help with the aftermath of 9/11.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Carlos Vasquez, a dry cleaner in New York, has a sign outside his shop that reads: If you are unemployed and need an outfit clean for an interview, we will clean it for free.
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After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
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