Ключевые слова: air pollution, architecture, asia, asian, beijing, beijing shi, capital, city, city breaks, cosmopolitan city, dongcheng qu, downtown, drum tower, educational trip, emission, empire, exhaust gas, forbidden city, haze, historical, huguosi street, hutong, longdistance travel, metropolis, neiting, north china, old town, peoples republic, pollutant, skyline, smog, state capital, to travel, tourism, tourist center, town planning, travel, vacation, wanderlust, xicheng, zhongnanhai,