A last location shot of those 'sound mirrors' at Fan Hole on the White Cliff @andrew_grantham pic.twitter.com/KEv0jmSFoK
— Fergus Murray (@FergusMMurray) December 8, 2014
Acoustic early warning systems, spectacular remnants of a dead-end technology on the British coast
A last location shot of those 'sound mirrors' at Fan Hole on the White Cliff @andrew_grantham pic.twitter.com/KEv0jmSFoK
— Fergus Murray (@FergusMMurray) December 8, 2014