https://www.google.co.uk/maps/place/Endeavour+House,+189+Shaftesbury+Ave,+London+WC2H+8JY/@51.5151634,-0.1270239,3a,75y,286h,90t/data=!3m7!1e1!3m5!1sFhbm3bGVNpSoYN5DDI1zMA!2e0!6s%2F%2Fgeo3.ggpht.com%2Fcbk%3Fpanoid%3DFhbm3bGVNpSoYN5DDI1zMA%26output%3Dthumbnail%26cb_client%3Dsearch.TACTILE.gps%26thumb%3D2%26w%3D86%26h%3D86%26yaw%3D286.26434%26pitch%3D0%26thumbfov%3D100!7i13312!8i6656!4m5!3m4!1s0x48761b32cc1770b3:0xf35d9d698a69cc9d!8m2!3d51.5151853!4d-0.1272572!6m1!1e1

endeavour house....'level four'...part of a clue trail, set by that son-of-a-Saudi-prince - warwick 1996/7....go figure: