THAT civilisation may not sink,
Its great battle lost,
Quiet the dog, tether the pony
To a distant post;
...
Read full text
The poem 'Leda and the Swan' can be found on the net at poets.org/poem/leda-and-swan. Nine years is a long time to wait for a poem: but it may still be worth it.
A long-legged fly is a master glider. It travels effortlessly on the power of any medium.