From Inhabitat ― Madrid's Atocha Station Doubles as an Indoor Botanical Garden And Turtle Sanctuary

Madrid's  Atocha Train Station. Commuters relax under the leafy palms, or watch the turtle pond while waiting for their next train. 

Slideshow:Madrid's Atocha Station Doubles as an Indoor Botanical Garden and Turtle Sanctuary | Inhabitat - Sustainable Design Innovation, Eco Architecture, Green Building