1. The most convenient way is to take the airport bus to Xidan. After that, there is no need to take a taxi. You can walk there for 1-1 minutes, or get off at Xidan Shopping Mall, No.22 Road East of Xidan Road and walk back. There is no need to take the airport express train to Dongzhimen and then take a taxi. You might as well take a taxi directly. 2. After 8: 3, except for the ring road, the road sections in the city have been much better, and the morning rush hour is almost over. 3. The nearest ones are Line 1 suzhoujie station (near the west gate of Peking University), Haidian Huang Zhuang Station (near the east gate of Peking University and Tsinghua West Gate) and Line 13 Wudaokou Station (near the east gate and south gate of Tsinghua, and not far from the west gate and the east gate of Peking University), but Xidan used to be very troublesome to take the subway. You have to change trains twice on Line 13 and three times on Line 1, and it takes a while to change trains. 4, usually lights up every day, but it is basically blue and will not change color. Generally, it is from dark to around 21 pm. 5. The restaurants in Datun Road and Huizhongli, north of the Bird's Nest, are very concentrated, which can be said to be a food street. There are also several restaurants in anhui bridge North to the east of the Bird's Nest.