Hutongs are narrow alleyways that form the traditional residential neighborhoods of Beijing. These historic areas are filled with charm and offer a glimpse into the city's past. On a rainy afternoon, take a stroll through the hutongs and admire the traditional courtyard houses, known as siheyuan. You can also find small shops, cafes, and art galleries tucked away in these alleyways, providing a cozy and unique experience. Some popular hutong areas to explore include Nanluoguxiang and Dashilar. Don't forget to bring an umbrella and embrace the romantic ambiance of Beijing's hutongs in the rain.