We thank the following contributors for their permission to use the images below.

"Group work | Ian Grove-Stephensen | Flickr"
Licence: Creative Commons CC BY 2.0 [cropped, resized]

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birminghamcounsellingtraining.uk

" Treasures from Lake Constance | Hiltrud Möller-Eberth| Flickr"
Licence: Creative Commons CC BY 2.0 Deed [cropped, resized]

" Pebbles on the beach at Gunwalloe | Tim Green| Flickr"
Licence: Creative Commons CC BY 2.0 Deed [cropped, resized]