Abstraction in red and blue

Location: Leverkusen (D)
Date: May 2011
Camera: Canon EOS 400D
Processing: Picasa 3.0
Flickr Explore: #169 (9 May 2011)
Flickr link: click

Short description:
This shot ended an eight month dry spell in which none of my shots made Flickr Explore. It also featured in the excellent composition blog The image composer . What is it? I can't even remember, probably a detail of a modern sculpture....