Known for his impressive works, which range from vibrant reinterpretations of cars, guitars and wildfire, artist Herb Williams recently sculpted a 7 ft tree from approximately 75,000 crayons. Williams' latest display was installed inside the Nashville International Airport, and has been dubbed "Call of the Wild" to reflect the structure's radiant color spectrum and natural aesthetic. Always coloring outside the lines and into new frontiers, hit the thumbs for a closer look at the artist's recent installation made from thousands of crayons. 

[via DesignTaxi]