11. What, no rabbit warrens of unusable space to reconfigure? 12. Ditsworthy Warren was the largest rabbit warren in England. 13. A number of rabbit warrens continued through the 1970s. 14. Rabbit warrens began their popularity in the mid-1960s, with the new H0e gauge 750 mm gauge.15. Wildcats hunting rabbits have been observed to wait above rabbit warrens for their prey to emerge. 16. A local folk tale tells that two Houghton poachers once raided a rabbit warren inhabited by fairies. 17. First the hunter finds the rabbit warren . 18. This method of building has often been criticised as creating a'rabbit warren ', impractical for the local police. 19. Sharpenhoe Clappers is an Iron Age hill fort, together with medieval rabbit warrens and associated agricultural earthworks. 20. The city's aging high-rise industrial buildings, built inside like rabbit warrens , are perfect places to hide manufacturing equipment.