Kilometer Zero: This Point marks the geographical Middle of Spain along with the start line for measuring the place’s 6 national roads. Try to find the plaque on the bottom next to the Publish Office making. This is an element from the Royal Palace but we've been mentioning it individually https://www.kinship.co.uk/dog-lifestyle/what-to-do-with-your-dog-when-you-go-away-on-holiday