and everything else. it is the kind of force that make you understand why the authorities are not hopeful they will find any survivors. this grim picture is what you can see with your eyes. the invisible danger you cannot see is also threatening. the 700 tons of sodium cyanide you mentioned, that is a highly volatile and highly toxic chemical used in chemical manufacturing and in the mining industry. if it's inhaled or ingested it could kill somebody quickly but it's here you have 700 tons of it lying around in the blast zone. the authorities say they are methodically dealing with it either neutralizing it with hydrog hydrogen peroxide or if the barrels are intact they are shipping them away immediately. that's the dangerous situation we are talking about. that's why there is so much