We had a wonderful weekend in London for my birthday. On Sunday we went to Greenwich, and although it was cloudy, rainy and cold we had a wonderful day exploring the surroundings.
So we also visited this spot and solved the little riddle. Answer has been sent to owner as requested.
thank you for taking us here and greetinx from Hamburg
Land: Vereinigtes Königreich
Koordinaten : N 51° 28.938 W 000° 0.614