Long walled off from world trade and modern technology, Cuba has developed a robust culture of DIY engineers who turn household items into useful inventions. Water pump motors propel bicycles, clothes dryers are repurposed into coconut shredders. Cuban artist Ernesto Orza has spent the last decade photographing and collecting many of these creations. Read more about Cuban inventions in our Science Wednesday piece, How communism turned Cuba into an island of hackers and DIY engineers.