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China banned all domestic ivory trade at the end of 2017 as part of its commitment to protecting wild animals.
China had 249 million people aged 60 or older at the end of last year, according to the National Bureau of Statistics.
China has implemented a plan to ensure its cities can withstand flooding and rising sea levels by creating more green spaces to absorb rain and floodwaters.
China has carried out four scientific field research project of giant pandas in the wild.
China had created 5.97 million new urban job opportunities by the end of May 2019, finishing 54 percent of the plan for the whole year, NBS data showed.
