Most of what you see reflected in this abstract is concrete, namely the walls lining one of the tailraces of Geddes Dam. Only at the bottom of the frame do you see reflections of the guard railings around the structure.
DP213-2014 Posted August 1; processed ditto
The necessary conditions for producing the reflection and the colors seen here: Morning light, a closed floodgate, sunny or partly sunny skies, and little if any wind.
Geddes Dam, seen from Old Dixboro Road, Ann Arbor
Taken July 26, 2014
Title: Concrete Abstract
I'll do my best to catch up with commenting today, but it probably won't be until late in the day.