A small girl looks out of the metro window at a carriage of Nanjing metro line, east China's Jiangsu Province, May 15, 2005.

Some 4,000 Nanjing citizens have experienced the trial run of the city's first metro line, which took five year to complete.

The underground spaning some 21.72 km will be formally put into public use on September 1st this year.

A Nanjing metro stewardess dressed in red guides passengers boarding the metro.

The inside scene of a carriage of the metro.

(Xinhua News Agency May 17, 2005)