Tunnels on the Tortosa Greenway

Tunnel entrance with two gravel bikes leaning against each end on the Val de Zafán Greenway
Camera Olympus Em10 Mark III (micro 4/3)
Lens Lumix 9mm f/1.7
Focal length 9 mm
Shutter speed 1/25 sec
Aperture f/3.5
ISO 200