Residents stand with New Zealand's Prime Minister John Key at a major traffic intersection as New Zealanders stopped at 12:51 pm to mark two minutes silence exactly one week after last Tuesday's magnitude 6.3 earthquake in Christchurch, New Zealand, March 1, 2011. [Photo/Xinhua]

A rescue worker from China pays his respect during a two minutes silence at 12.51 pm to mark exactly one week of Christchurch earthquake, at Cathedral Square in Christchurch March 1, 2011. [Photo/Agencies]