A giant graffiti of a turd with the message "Welcome to the future" next to it.
Three recycling bins labelled “big brands”, "bankers” and “politicians".
These are just two of the images created by the secretive Gijón artist Sr. X., who like the UK's Banksy has forged a name for himself through satirical street art.
"Stencilling is the oldest form of painting," the artist says of his preferred method.
“Cavemen would use their hands as stencils with which to paint around."
Sr. X has left his mark on numerous European cities including Madrid, Barcelona, Paris and Cologne.
“My view of the present and the future is getting darker by the day, but I’d rather paint about it than talk about it.”