but he had started having bad dreams ; climbing that narrow passage up between the cliffs at veii , but when he arrived at the top , it was robur 's head , and caile 's , and avle 's , which looked down at him from the gate , and when he got inside the city , it was a maze of streets without exits , and houses without doors , in which he was soon lost , and the streets became narrower the longer he wandered , till they seemed to be closing in on him .