There's also an extensive write-up at https://hexkyz.blogspot.com/2021/11/je-ne-sais-quoi-falcons-over-horizon.html https://hexkyz.blogspot.com/2021/11/je-ne-sa

There's also an extensive write-up at https://hexkyz.blogspot.com/2021/11/je-ne-sais-quoi-falcons-over-horizon.html https://hexkyz.blogspot.com/2021/11/je-ne-sais-quoi-falcons-...