[2] It has been spread throughout the rest of the country, most notably in Beijing, Tianjin, Jinan and Jilin, where it is a popular street food.
Especially in some tourist areas, chuan can be found made with various insects, bugs, birds and other exotic animals.
In Tianjin and Jinan, chuan is often served with small round breads (馅饼, xiàn bǐng), also grilled with the same spices.
In 2013, it was reported that the Beijing authorities were destroying open-air chuan barbecues in a bid to reduce pollution from small particles that can enter deep into the lungs.
Hundreds of barbecues were reportedly confiscated over a three-month period, leading to ridicule from the local Beijing population.