http://blog.globalstreetart.com/post/40513220218/art-in-a-frame-is-like-an-eagle-in-a-birdcage
Who is it by? Unknown
Where is it found? Blissestraße a Berlin U-Bahn station in Germany
What does it mean? The meaning behind this piece is pretty self explanatory. In is an actual frame colored in and dripping out black paint, while covered around it is a wide array of bright vibrants hues.
Why is it art? It explains the soul image of why art can the found in graffiti. Art is not limited to the boundaries of a picture frame, canvas or museum. Art can be found anywhere even in a train station like up above.