Certain images are notorious for being nearly impossible to tattoo correctly. Hands, hair, and dragons typically fall into this category, but an image of the human eyeball may be the most difficult to tattoo correctly. Australian tattoo artist Mark Powell, however, is one of the few artists who has mastered inking eyes making this gorgeous crying eye worthy of our tattoo of the day. Everything from the pop of color in the iris to the soft shades of grey on the eye lid bring this piece to life. For more of Powell's work check him out at Lighthouse Tattoo in Sydney, Australia as well as his online portfolio right here.