Final answer:
Tourists visit China for its many historic sites, including the Forbidden City and the Great Wall.
Step-by-step explanation:
The best way to combine the sentences is to say, 'Tourists visit China for its many historic sites, including the Forbidden City and the Great Wall.'
The Forbidden City is a walled complex of palaces, temples, and gardens built in the center of Beijing during the Ming Dynasty. It served as the home for the emperors and the governmental center for almost 500 years. The Great Wall of China, on the other hand, is a massive defensive structure that stretches across the northern part of China.
Visiting these historic sites allows tourists to learn about China's rich history and culture.