A young scout lights candles in front of the presidential palace in Warsaw on April 14, 2010 in memory of 96 people who died in an aircrash on April 10. Late Polish President Lech Kaczynski, his wife Maria and many of the country's military and state elite perished in thick fog when their aircraft attempted to land in Russia killing. World leaders, including US President Barack Obama and his Russian counterpart Dimtry Medvedev, are to travel from far and wide to pay last respects to Polish president Lech Kaczynski at his funeral on April 18. AFP PHOTO DDP/LENNART PREISS GERMANY OUT