Jigsaw puzzles: those things that make up a giant picture by putting together many weirdly shaped small pieces in the correct way. By Puzzle_Krypt.jpg: Munsderivative work: Schlurcher (Puzzle_Krypt.jpg) [CC BY-SA 2.0], via Wikimedia Commons You probably played them when you were a kid and most likely your parents helped you solve them (I know mine …
Alternative Yoga 