People gather in front of mass graves during the burial of unidentified garment workers, who died in the collapse of the Rana Plaza building in Savar, in Dhaka May 1, 2013. The European Union is considering trade action against Bangladesh, which has preferential access to EU markets for its garments, in order to pressure Dhaka to improve safety standards after the building collapse killed hundreds of factory workers. REUTERS/Andrew Biraj (BANGLADESH - Tags: DISASTER TPX IMAGES OF THE DAY BUSINESS EMPLOYMENT)