With just a Rotring Isograph pen on arches paper, artist Mark Lascelles Thornton completed this scrupulously detailed architectural drawing project titled "The Happiness Machine". Each sheet represents a city - such as Chicago, Shanghai, London and New York - and is stylized in red and gray ink.
In addition to the meticulous detail of the buildings, the work is even more amazing considering the scale: the final piece will spread across eight panels measuring 8 by 5 feet.
Continue for more images...
