Group Bus Tour from Barcelona to Green Northern Spain ending in Madrid.
Important cities like: Zaragoza, Bilbao, San Sebastian, Oviedo, Gijon,
Zaragoza, Bilbao, San Sebastian, Oviedo, Gijon, Salamanca...
. In these
places and cities there is a brief explanation made by the tour escort, and in
some cases, as indicated in the itinerary, time free to walk freely and know the
most important squares and monuments at your own leisure.