Suppose The Great Wall of China is one of the most iconic landmarks in the world, spanning over 13,000 miles. It was built over several dynasties starting in the 7th century BC. The wall served as a series of fortifications to protect the Chinese states and empires against invasions and raids.
Can we infer that "The Great Wall of China was built in a single dynasty starting in the 7th century BC"? Yes, no, or maybe?