Actually Big D, why feathers? Where did Rinoa get white feathers from? I still believe that they came from birds.

if Rinoa actually did it herself (made white feathers fly). Those feathers were white.

Rinoa = white feathers
Ultimecia = black feathers

You see the tunnel FMV, the tunnel was formed by black feathers. I think Ultimecia did it herself (made black feathers fly and formed the tunnel).