This one looks like a crowd of ghosts, or maybe hattifatteners again
And this one is, according to Kirill "CERN experiment gone wrong". I see exactly what he means.
The little video shows Timur making a sandstorm for little fish in the shallow water on Flag beach. The fish looks a bit like spot-tail barbus you see in aquariums, but barbus is freshwater dwellers, for all I know.
Corralejo pics at shutterstock