Quetzals are strikingly colored birds in the trogon family. Their wings are suited to camouflage under rainy conditions. The name quetzal , from the mesoamerican Nahuatl language, refers to " an upstanding plume of feathers " in terms of standing up. The origin of churros is unclear. One theory suggests the concept was brought to Europe from China by the Portuguese Another theory is that the churro was made by Spanish shepherds to substitute for fresh baked goods. Churro paste was easy to make and fry in an open fire in the mountains, where shepherds spend most of their time. Licasso is a thermodynamic sound world where colors and sounds become the same thing.