Very 'pet friendly' cities, but not in their transport in 'meter'

Of the eight Spanish cities with Metro, only Barcelona, Granada, Madrid and Palma allow to enter the network of the suburban with the dog tied and muzzle walking next to the traveler. To the Metro of Bilbao can only enter small dogs in arms or transporter with a weight of less than 8 kilos. Malaga and Valencia only admit small dogs in transporter, and Seville forbids to travel with animals. These are the rules that apply the two most advanced ci…