Sentence:  The vegetation was similar to that which covers the lawns of the red Martians of the great waterways, but the trees and birds were unlike anything that I had ever seen upon Mars, and then through the further trees I could see that most un-Martian of all sights—an open sea, its blue waters shimmering beneath the <WSD>brazen</WSD> sun. 
Meaning of the word marked with <WSD> tags:  Pertaining to, made of, or resembling brass (in color or strength).