Found this on deviant art its called Time and is part of a series by Aimee Stewart who calls herself FoxFires. She does lots of digital manipulations, or as she calls herself a "digital funambulist". I really like the way she layers up her images, combining the nature with human forms - its what I'm trying to develop! Whilst they are all photographic images they have quality that makes they look like pencil drawings.
There five pieces in the series and here they are:
I love her quote"We do this art thing or we burst into flames..."