From October to January, all 28 cities in the Beijing-Tianjin-Hebei region, also known as Jing-Jin-Ji, and surrounding areas saw winter air quality improve. For example, Shijiazhuang in Hebei province saw a decrease of 52.4 percent. Jining in neighboring Shandong province saw the smallest decrease, 8.4 percent, according to the ministry.
Xi said the passing year has seen important progress in the development of the China-Russia comprehensive strategic partnership of coordination, adding that the two sides have shown firm support for each other on questions concerning their respective core interests and reaped key early harvest in linking the China-proposed Belt and Road Initiative with Russia's Eurasian Economic Union.
China and Russia have also maintained close and effective coordination in international and regional affairs, and have made important contributions in preserving world peace and stability, Xi said.
A microchip that stores all the names collected before April 27 of this year would be installed on the mission, "and your name will go along for the ride," according to a NASA online statement.
As to the venue of the Trump-Kim summit, Trump said the US is weighing five different locations, but none are located in the US.
This enabled those in Beijing and surrounding areas to enjoy many clear, blue-sky days this past winter, in sharp contrast with the heavy air pollution seen just a year ago.