KBC 2024| In 1990, which tourist attraction was closed to the public as engineers undertook a major strengthening project? By Tunmay Mishra - December 5, 2024 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