'caution: dinosaurs'?

(John Leslie, Tue 24 Jun 2008, 21:16, archived)

Second sign:
"Dinosaur traps"
( owensanity, Tue 24 Jun 2008, 21:19, archived)

third sign
Richard attenborough leaving in a chopper
(emcake putting a donk on it since, Tue 24 Jun 2008, 21:22, archived)