https://www.google.co.uk/maps/place/The+Thames+Barrier/@51.4950846,0.0434908,3a,75y,244.24h,78.08t/data=!3m8!1e1!3m6!1sAF1QipPKdKVKunLiJ1Xc8RVnW0Sw4pqAQRXLT2aRBN1r!2e10!3e11!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipPKdKVKunLiJ1Xc8RVnW0Sw4pqAQRXLT2aRBN1r%3Dw203-h100-k-no-pi-0-ya113.202286-ro-0-fo100!7i13312!8i6656!4m12!1m6!3m5!1s0x47d8a86645de7e2d:0x9bc80086a2472492!2sThe+Thames+Barrier!8m2!3d51.4969707!4d0.0369474!3m4!1s0x47d8a86645de7e2d:0x9bc80086a2472492!8m2!3d51.4969707!4d0.0369474

oh and then there's the thames-side print studio, dazzlenation...see previous post...looks like a bit of an HQ - to me...go figure: