Relatives of victims of the April 10 Presidential plane crash mourn in front coffins guarded by soldiers on the tarmac of Warsaw's airport on April 14, 2010. Polish president Lech Kaczynski's Tu-154 airliner crashed on April 10 while trying to land at an airport in western Russia amid thick fog, killing all 96 people aboard. AFP PHOTO / JANEK SKARZYNSKI