A man lays a wreath during a ceremony at the site of a plane crash that killed former Poland's President Lech Kaczynski and 95 others near the Russian city of Smolensk, April 9, 2011. Poland will mark the first anniversary on Sunday of the plane crash in Russia that killed its president and many other top officials. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ANNIVERSARY DISASTER TRANSPORT POLITICS)