2009 In Photos (Part 5)

Fireworks illuminate the Brandenburg Gate in Berlin November 9, 2009, during celebrations to mark the 20th anniversary of the fall of the Berlin Wall.The new PS20 solar tower at the Solucar Platform in Sanlucar la Mayor, southern Spain, seen on Sept. 23, 2009. PS20, one of the most powerful commercial solar tower in the world, consists of a solar field made up of 1,255 mirrored heliostats aimed