Which city of Pakistan is called city of lights?

Lahore is called the city of lights in Pakistan because if we talk about lightness in Lahore than mostly people come out from home in night time and very crowd on everywhere in Lahore in night time because Lahori sleep in late night and wake up in the evening so that the main reason in Lahore is crowd was only those people are sleep in Lahore on time who are go to jobs early in the morning.