Question 4: The student asked if Christ the Redeemer stood as the largest art deco statue for years.
(stand → stood)

Question 5: She asked if the Romans designed the Colosseum to hold 50,000 spectators.
(designed → designed)

Question 6: The tourist asked if people could see the Northern Lights from the Arctic Circle.
(see → could see)

Question 7: He wondered if the Leaning Tower of Pisa would tilt more in the future.
(tilt → would tilt)

Question 8: The guide asked if astronauts had ever seen the Great Barrier Reef from space.
(ever see → had ever seen)

Question 9: He wondered if France had given the Statue of Liberty to the United States in the 19th century.
(give → had given)

Question 10: She asked if locals still called Victoria Falls "The Smoke That Thunders."
(call → called)