You should be near a large arachnid in Waterloo Millenium Green
Look for the post with number one at the top you need the lines of text on that side to solve this
COUNT THE LETTERS IN EACH WORD THEN REPLACE THE RESULTS OF THE SUMS BELOW WITH THE GIVEN LETTERS
N 51° 30.ABC′ W 0° 06.DEF′
LINE 9 SECOND WORD – LINE 9 FIRST WORD = A
LINE 3 SECOND WORD = B
LINE 7 FIRST WORD – LINE 4 FIRST WORD = C
LINE 8 FIRST WORD + LINE 8 SECOND WORD = D
LINE 5 FIRST WORD – LINE 6 FIRST WORD = E
LINE 1 SECOND WORD + THIRD WORD = F
Checksum of A to F = 17
The fen raft spider is now at risk in the UK but hundreds of years ago, when this area was marshland, these would have been a common sight.
Nearby there is a sculpture of migrant hawker dragonfly is a common sight on the other Bankside open spaces sites in SE1 including the Tate Community Garden, Crossbones Garden and Redcross Garden.
Because the posted coordinates are inside the park access may not be availble 24/7 however the final can be found at anytime.
I have numbered this cache to start a series of other caches based on London Public Art, message me if you have found or can suggest a worthy installation that I can include in the series. I will then allocate a number.
Congratulations to LDNseekers who was FTF