honest. we begin with the new discoveries, possible new directions and growing questions in the search for flight 370. the discovery that piece of debris that washed ashore in the far southwestern corner of australia where an early assessment is in. there's word that the bluefin 21 has less than 10% more ocean bottom to cover in the search area. it may take far longer to do that than we've been previously told. several weeks instead of a couple days. deepening questions about how the search is being conducted and why we haven't yet seen a single image from it. there's also talk of widening the search area. in the words of one expert, "rethinking everything, everything on the table." and beijing and malaysia, growing demands for transparency by authorities and family members. a lot to cover. with michael holm in perth and michel marquez where they found the debris. let's start with you, the number to augusta, what do we know about it? what did it look like? >> reporter: yeah, local officials are saying it looked like about eight-feet tall. it was a couple of feet wide. it was metal attached to fiber glass with rivets.