Egg, let's examine what's underneath the 20 foot fake shadow the on Tribeca Grand Hotel more closely.
In photo A, the
windows under the fake shadow appear damaged, burnt. The corner
windows, not under the fake shadow, appear well defined.
In photo B, the
windows under the fake shadow disappear and turn into smudge. The corner
windows, not under the fake shadow, remain well defined.
____________________________Photo A_________________________________________________ ________Photo B___________________________

-feeler