Spent a little while in the centre of Madrid looking for 'wildlife' (contrary to popular belief, that's not the reason that I go on holiday). Had no intention of stopping in Spain but was seduced by the advert:
http://www.youtube.com/watch?v=aRW2I....com/Spain.htm and there is something very relaxing about watching the countryside unfold while you're drinking the first coffee of the day:
.... but, back to Madrid, which has an extensive Metro system as well as other unified public transport.
Most interesting was the botanical garden (
Botanical gardens ) but some other 'green' areas. Towards the centre is the Retiro Park -
Parque del Retiro, Madrid - large with a lot of trees and some interesting buildings, such as this imitation of the London Crystal Palace:

It's mainly closely mown grass but with some very fine trees. Recent plantings of Catalpa:

as well as older oaks
etc, some looking the worse for wear:

It also houses Madrid's oldest tree - a
Taxodium mucronatum -
Taxodium mucronatum description - but I couldn't find it.
In the west of Madrid is the larger and, in parts, wilder, Casa de Campo, seen here from the Egyptian Temple:

. Hope the crane doesn't suggest that this view is going to be blocked ....
There's a lot of building going on - most of it just boxes but some more spectacularly ugly: