This quote is describing the human foot and its impressive design. The engineering aspect of the foot is referring to its complex structure. The foot is made up of 26 bones, 19 muscles and numerous ligaments, tendons and nerves all working together in tandem to facilitate movement, provide balance and support the body’s weight. The phrase “work of art†is referring to the foot’s aesthetically pleasing shape. Its graceful curves, unique lines and distinctive features are a source of beauty and admiration.