KBC 2024| In 1990, which tourist attraction was closed to the public as engineers undertook a major strengthening project? 

KBC 2024, The options of the question – In 1990, which tourist attraction was closed to the public as engineers undertook a major strengthening project?

A. Eiffel Tower

B. Leaning Tower of Pisa

C. Statue of Liberty

D. Great Wall of China

The answer is B. Leaning Tower of Pisa