Deep under the streets and buildings of Rome is a maze of tunnels and quarries that dates back to the very beginning of this ancient city. Now, geologists are venturing beneath Rome to map these underground passageways, hoping to prevent modern structures from crumbling into the voids below.

What would be the best title for this passage?

“Mapping Tunnels to Avoid Disasters”


The title needs to reflect the main purpose of the article. In this case, the author wants to make the point that mapping tunnels anywhere—not specifically in Rome—can help disastrous collapses from happening in the future. The other choices do not give enough information to indicate the purpose for mapping tunnels.

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