Peaceful principles playing key role in intl relations, FM saysChina firmly opposes Taiwan politician's official contacts with Czech: Chinese FMChina continues improving environmental quality despite challengesTop legislator addresses closing meeting of China's annual legislative sessionStrides made toward more global diversityChina firmly opposes Taiwan politician's official contacts with Czech: Chinese FMWashington manipulates freedom of speech, report findsSpokesman calls on U.S. to translate commitment into actionSpokesman calls on U.S. to translate commitment into actionPalestinians seek unity with appointment of new PM