摘要
On April 8,Wuhan,the super-large metropolitan city in the midstream of Yangtze River,was reopened to the public after a 76-day-long lockdown for its epicenter of the novel coronavirus outbreak in China.As the capital of Hubei province,the city is also known as another epicenter in the country for high-speed railway transportations all for about 5 hours respectively to Beijing,Shanghai,Chongqing,Shenzhen and Hong Kong,in addition to its pivot in the central provinces for over 40 international direct air routes that cover four continents in the world.