Most of these ancient towns are far away from the mega-cities and near to the nature and countryside.
这些古镇大部分远离大城市，亲近自然和农村。
2
The price of a 100-square-metre house is on average 14-fold higher than annual household incomes in mega-cities.
在大城市里，一处100平方米的住宅价格平均超过了家庭年收入的14倍。
3
Beijing Huilongguan Hospital suicide-prevention hotline is recruiting more trainees when greater attention is being placed on mental health issues in mega-cities.