Acehense workers plant mangrove trees in the Neuheun coastal district in the outskirt of Banda Aceh on April 4, 2005. Authorities are examining the possibilities of mangrove forest rehabilitation of a Tsunami-ravaged Aceh.The local government will hold a one hundred day commemoration for around 250,000 who were killed or are missing on Tuesday. REUTERS/Steve Crisp en/KI