Question 4 - Paragraph Comprehension Practice Test for the ASVAB

What is the best title for this passage?

Geologists in Rome have a new venture. Underneath the city’s streets and architecture lies a system of quarries and tunnels. It is believed that these passages were formed in the early days of the ancient city. The main concern for geologists is that the city may sink into the below-ground areas. These professionals hope their studies of the tunnels will help prevent that occurrence.