London's Tube, world's 1st metro, marks 150th birthday

（People's Daily Online）  15:15, January 11, 2013

Edited and translated by Zhang Qian, People's Daily Online

Busy, congested, stressful. This is how the world's first subway system was depicted by London newspapers in 1863. It's a situation that would be familiar to nail-biting passengers of the present as the Tube turned 150 years old on Wednesday.