People visit near the Palace Museum in Beijing, capital of China, Feb. 8, 2017. Beijing has strengthened the protection of cultural sites in recent years, aimed to improve environment for people's living and travelling. (Xinhua/Li Xin)
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People visit near the Palace Museum in Beijing, capital of China, Feb. 8, 2017. Beijing has strengthened the protection of cultural sites in recent years, aimed to improve environment for people's living and travelling. (Xinhua/Li Xin)
