Nowadays, traffic jam is a growing worry for the residents in most metropolises, contributing to irritation of drivers and pedestrians. How to cope with this problem?
Every year, tens of thousands people crowd into the big cities to seek a decent living, a better job, a faster and more exciting life style. Take Beijing as an example, according the least research, t
The traffic problem is one of the most serious problems in my hometown. Recently, more and more people have private car, but the roads are so narrow that we have to fight against the heavy traffic whe