If someone sat you down with paper and pen, how long could you continually draw a single line without lifting the pen? Well, if you’re Brady Dollyhigh, the answer is 24 hours. Brady is an artist who challenged himself to draw a single line without lifting his pen for 24 straight hours. Watch the video to see how he dealt with eating, drinking and bathroom breaks – all without lifting his pen. The end result is truly a work of art.