In the following sentences, the boldfaced coupular verb is found in a clause within a counterfactual clause. Should "are" or "were" be used? Why?
Imagine a 100-story skyscraper without an elevator. People whose offices were/are on the 60th floor would have to spend lots of time walking up and down every day.
I feel as if I were standing on the edge of a cliff toward which thousands of horses were/are rushing.