Cambridge, where Cambridge University is located, is a small English town with 65,438+10,000 residents, which is less than 654.38+000 kilometers away from the British capital London. There is a river that runs through this town. It is named "Kanghe". As early as 43 BC, Roman soldiers were stationed on the Jianhe River and later built on it. Most colleges, research institutes, libraries and laboratories are in this town, in addition to more than 20 churches.