the hug by Tom Woodward CC BY-NC https://www.flickr.com/photos/bionicteaching/4299490940/in/photolist-7xW1S9-9ctGN1-bJnqoR-y7iSY-cnEGMh-8dfAyM-5RG8Yj-ndshB-53UdAb-Pv6F-5bzQje-69xrrZ-dCvs93-Pvkg-9um5pT-69gsrR-dKKoAi-5HDJaA-bSH7i6-5AUaaz-9ujGTJ-9xwRmx-oLbfuS-5tXzLR-K6DYR-5rULLa-pbQVdy-431Cis-dzsJvo-69g29n-WZ2xxi-723a4H-Pu9C-38tdFo-cPoGqh-7oV8ct-ogHkcc-t7y4g-a7mbhw-Pun7-5vyapZ-7rdCY4-7uNcvL-7HLBSr-2qXza-6rsf85-btJQi6-69fybx-69BxcE-69gSdt