General Knowledge MCQsWhere was the first underwater post office? Posted on June 22, 2021 by adminA. Cuba B. Panama C. Bahamas D. FloridaShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)
