Recycled CDs Form Colorful Floating Waterlilies by Bruce Munro. Again, i love re-purposed art; art made of trash. This was quite interesting and i think would look good as an instillation in some city.
This incredible 2009 installation is by artist Yochai Mato. Based in Tel Aviv, Yochai uses fluorescent tube lighting to create stark contrast between the man-made tubes and natural surroundings. This image of Flame (Gate) from 2009 is from Yellow Trace.