The missing pieces are spotted in an area the size of Belgium . Search area in south Indian Ocean is one of the least accessible places on Earth . Currents , waves and wind cause debris to drift . Ocean floor is deeper than most ships can reach .
Three debris pieces are spotted in an area the size of Belgium . Search area in south Indian Ocean is one of the least accessible places on Earth . Currents , waves and wind cause debris to drift . Ocean floor is deeper than most submarines can go .