The pont du gard is a huge aqueduct half a mile long that was built nearly two thousand years ago .
加德桥是一个长达半英里的大型输水渠道，大约在两千年前建造而成。
But in a conference call with reporters marking the speech anniversary , general gard acknowledged that ending the war quickly will be difficult , even if one of the democratic party presidential candidates is elected in november .
