At the edge!  Yosemite National Park, USA, 2014

At the edge! Yosemite National Park, USA, 2014

Aperture - SEM reflection , Bristol, 2014

Aperture - SEM reflection, Bristol, 2014

Looking through!  Nancy Holt's 'Sun Tunnels', Utah, USA, 2014

Looking through! Nancy Holt's 'Sun Tunnels', Utah, USA, 2014

Polytunnels , California, USA, 2014

Polytunnels, California, USA, 2014

Yellow chute , Venice, 2013

Yellow chute, Venice, 2013

Crane machinery , Athens, Greece, 2015

Crane machinery, Athens, Greece, 2015

Stair stile , Cadair Idris, Wales, 2015

Stair stile, Cadair Idris, Wales, 2015