Which is the only bird that can fly backwards?
Which is the solution for X 3= 6?
Which is the only continent without a desert?
Which is the only country who borders with Portugal?
Which is the only country who has never been ruled by another nation?
Which is the only football team to win two european cups in a row?
Which is the only mammal in the world unable to burp?
Which is the most visited country in Asia?
Which is the name of the bird in the movie “Up”?
Which is the name of the gig which was never celebrated by Michael Jackson?
Which is the longest-running Broadway show?
Which is the name of the most extended artery of the human body?