Vast swathes of southeastern Myanmar lie under floodwaters that have already forced tens of thousands to flee their homes as the death toll from a massive landslide hit 59, firefighters said Monday.Seasonal monsoon rains batter the country every year, but the recent deluge has submerged entire communities, with drone footage showing only the tops of houses visible.There are currently more than 80,000 people sheltering at evacuation sites across the country, according to the UN Office for the