well, they won't know what it is, even if i ask, i'm afraid. but in ATP db d. longispatha looks just IT, except for coloration.
i certainly have not seen it in shops, though in florida nurseries, i bet, you can find it!
it makes for a handsome plant, not as gaudy as reg diefs (though i like them too).
'the hanging curtain' is easy-peasy you reg. 'golden pothos' - epipremnum aureum. but ..the catch is it's hanging 7! stories down...i am surely hoping to use it as a model for some future set-up.
i need to take more better pics of a place, as i have not been anywhere larger or more opulently planted
here's a closer look at a small area of that atrium that also serves as seating for a restaurant: