Photo taken with a mobile phone shows an art house near Nanluoguxiang in Beijing, capital of China, July 7, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows scenery on Tonglinge Road in Beijing, capital of China, May 13, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows scenery on Tonglinge Road in Beijing, capital of China, May 13, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows hydrangea flowers in Fangshan District in Beijing, capital of China, July 15, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows sunset glow in Chaoyang District in Beijing, capital of China, June 9, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows lotus flowers near Xuanwumen in Beijing, capital of China, July 6, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows people visiting Houhai scenic area in Beijing, capital of China, July 7, 2019. (Xinhua/Zhu Weixi)

Photo taken with a mobile phone shows a Japanese Restaurant near Qianmen in Beijing, capital of China, July 7, 2019. (Xinhua/Zhu Weixi)