There's black gold. And then there's gold gold.It's no secret that Russia and China both share a growing appetite for gold. But how excited are they about U.S. Treasuries, the most boring but "safe" investment which basically translates into... "we believe that everything will basically stay the same"?From the looks of it, Moscow and Beijing no longer think T-bonds are a safe bet or in their national interests.As Bloomberg's Zhuo Zhang explains, Russia and China are selling their treasuries and buying up all the gold they can get their hands on: