This was shot in the reflection of one image of marshall!yeti (see: http://www.marshallyeti.at/projects.html) in Museum Essl exhibition "the future of painting"
Quote from the exhibition description:
"The artworks by the artist couple marshall!yeti (Ferdinand “Marshall”
Karl and Gerald Y Plattner) are small Polaroid photos. The couple is the
unlimited protagonist: they stage themselves against changing
backgrounds always in the same pose. marshall!yeti use photo
overpainting to give the Polaroids an additional level. They paint and
draw on the photographic original spontaneously yet well thought out,
they strengthen and emphasise, overpaint and delete details."