Museum Tate Modern in London, United Kingdom

https://www.flickr.com/photos/dgeezer/27666963181/in/photolist-dqdYiB-2iBjnog-28ga53o-JcWo7b-iPyfXE-pw6Ct1-t1nj7-J2my8E-hFrsE-z3s1C-8BA8Td-nDbTt-8sUXAu-iPy2HJ-nHbFbh-nv4joh-t1mMt-t1noJ-2fsNEuy-cRfZU-4TYFs9-3DTu-8u65Cd-8Bx33B-bydWG5-6nPFzh-t1mPX-8sUVBJ-j9BzUB-wxjv6-QsGNf-4VEK9f-rFT63-rnkTVn-8sV4oN-J7xtk9-nDc4u-7xPVVZ-2fx1fyP-4z1rij-6FzcQN-ecWhyy-pgvScj-HjzoVa-aHMF6M-J9Qqfz-exD2t-8Bx2KB-bGHjLF-2roSta