The shadows and multiple color spectrum gives emotion and motion to the piece which would be otherwise not interesting without By Olafur Eliasson. It's real shadow, not faked in photoshop. each lamp is aligned differently.
These cement figures dangling from umbrellas within a narrow space inside the EBC office center in Prague are part of a installation titled Slight Uncertainty by Czech artist Michal Trpák. Check out much more of his sculptural work on his website.