What is your cat thinking when it looks at you? – in pictures

These cat portraits seem to show a range of emotions, according to Andrew Marttila. The 29-year-old Philadelphia-based pet photographer and self-proclaimed ‘crazy cat man’ says: ‘This series on emotions is to disprove the stereotype that cats are cold and aloof. I want to show that cats are capable of a range of emotion, from serious to silly and everything in between’