For lots of people the month of December is one of the busiest months of the year.

对许多人来说，十二月是一年之中最忙碌的月份之一。

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Just Wednesday in Beijing, three people appeared to set themselves on fire in a car near one of the city's busiest shopping streets.

就在上周三的北京，三人在北京最繁华的一个商业街附近引燃了他们乘坐的汽车。

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The U.S.-Mexico border is one of the busiest in the world with millions of people and goods crossing each day.

CNN: Commentary: Flu shouldn't close Mexico border

The department, which is one of the busiest in the East Midlands, treats more than 400 people a day and more than 150, 000 a year.

BBC: Queen's Medical Centre A&E reports 7% rise in patients

Our reporter says the courts are located in one of the busiest parts of the city, and were full of people when the attacks happened - Sunday is a normal working day in Somalia.

BBC: Gunmen launch deadly attack on Somalia courthouse