A light shining atop of Big Ben's tower indicates what?

More Questions:

What is the name for what an archer carries his arrows in?

Who was pictured on the first US adhesive stamp?

Who shocked the public with his 1863 painting "Luncheon on the Grass"?

What sport is most frequently featured in John Irving novels?

What detective novel begins with a dinner hosted by the mysteriously absent "Mr. U. N. Owen"?

In what city would you find the most famous street named "Carnaby Street"?

If you suffer from diplopia, what do you have?

Approximately, how long does it take light from the Sun to reach the earth?

What is the only moon in our solar system to spin in a direction opposite of its planet's rotation?

Who was the first American scientist to win a Nobel prize?

What movie character said the line "Go ahead, make my day"?

In what movie is $200,000 of Confederate gold buried in the grave marked "Unknown" next to Arch Stanton?

What did Billy Batson have to shout in order to turn into Captain Marvel?

What song was Beach Boys" first Billboard number one hit?

In which Canadian city would you find the largest mall in North America?