Deep Breath Clips

Hello everyone! 
I'm sure more than a few of you will agree that the closest (and most easily accessible) equivalent to body inflation in our real world is when a woman (usually big breasted) takes a long, deep breath and causes her already ample chest to swell in a very hypnotic fashion. 
Any of you lovely people know of any notable clips or videos of women taking deep breaths and expanding in this fashion that I (and others like me) can use for... erm... "research"?