It's been two years since Tokyo's transport system ground to a hault when a 9.0 magnitude earthquake hit, stranding millions in the city.
Government workers and station employees in Japan's capital on Monday held a special disaster drill in remembrance of those who died and disappeared in the quake.
Tokyo's governor said he hopes the drill will help prepare for future crises.
(SOUNDBITE) (Japanese) TOKYO GOVERNOR NAOKI INOSE SAYING:
"With today's drills, I believe your strength and ability to cope with a major disaster - especially ones that may come to Tokyo - will be enhanced."
One participant said she found the drill very helpful.
(SOUNDBITE) (Japanese) 25-YEAR-OLD TOKYO GOVERNMENT WORKER, YURIKA TANAKA, SAYING:
"I was one of the stranded commuters on the day of the 2011 earthquake, so I believe today's drill will help me take a more calm and effective response to a similar disaster in the future."
More than 20,000 people were killed o
