plastics, may have leaked or burned. and this is the key issue. it will be less damaging to the see, at least, if they've burned off. the sri lankan authorities don't quite know, yet, which is why they sent those divers, kim, out to try and inspect. and then, you have got many hundreds of tons of fuel inside. again, they are not sure whether that burned off or was properly sealed. now, the company that owns express feed have apologized for this catastrophe and also said that they believe the crew did everything they should have done, in order to try to seal off the fuel tanks, before they abandoned ship. but ultimately, perhaps, very much, down the line, fuel probably leak. and above all, this is a fish stop breeding area, kim. >> all right. we will keep following this sad story out there. sam kiley in delhi. appreciate it. now, to another ecological threat. have you ever heard of marine mucilage? that's a type of slime that's attacking all forms of life in