Read the passage and answer the questions (1–5):

City Life Today
In many large cities, people face daily problems such as traffic jams, air pollution, and lack of green spaces. To help citizens get around easily, many cities have developed underground systems. However, city centers are often congested with vehicles and high-rise buildings, creating what some call a “concrete jungle.” Despite these issues, efforts are being made to build more public amenities like parks and libraries, making the city more liveable.

What is being added to improve city life?