This 37-year-old self-taught Portuguese artist, who goes by VianaArts, started drawing with ballpoint pens at school by simply sketching on the back of his exercise books and even after becoming a lawyer, he didn't give up on his hobby.

This 37-year-old self-taught Portuguese artist, who goes by VianaArts, started drawing with ballpoint pens at school by simply sketching on the back of his exercise books and even after becoming a...