The World in Photos This Week

Norway's mass killer goes on trial, the space shuttle Discovery lands in Washington, and North Korea celebrates the 100th birthday of Kim Il Sung.

APRIL 20, 2012

The first of this year's bluebell flowers grow in the Forestry Commission's West Woods on April 17 near Marlborough, England. According to the National Trust, the bluebell season may be a short one due to drought in parts of the UK.

Matt Cardy/Getty Images