Is China quietly dumping US Treasuries?

",..,world central banks are in a hurry to get out of the US. They don't seem to be switching into other currencies, so it is possible they are moving into gold instead. Gold is now gaining momentum across all currencies and has broken through resistance at 500 euros," " A sharp drop in foreign holdings of US Treasury bonds over the last five weeks has raised concerns that China is quietly withdrawing its funds from the United States, leaving the dollar increasingly vulnerable."