Question: What is the location of the four observation towers belonging to the weapons range near RAF Wainfleet?
Sentence (from "RAF Holbeach"): RAF Holbeach, now DIO Holbeach AWR is a Royal Air Force academic air weapons range (AWR) situated between Boston and King's Lynn near Gedney Drove End on The Wash, in Lincolnshire, eastern England.
Relevant evidence: Yes