Refer to this paragraph from "The Sandia Mountains." Another attraction is the Sandia Peak Tramway. This tram system has two tram cars that run every 15 to 30 minutes. One car ascends the mountain, taking passengers to the top where they disembark. The other descends the mountain, bringing them back down. First opened in 1966, the cars can hold a maximum of 55 passengers. During construction of the tram, thousands of helicopter flights lifted cables, workers, and materials to build the two towers to the mountaintop.

How does the paragraph's structure best convey its ideas about the tram system for the reader?

It explains the difficulties builders faced during the construction of the Sandia Peak Tramway system.

It provides a description of the design, construction, and function of the Sandia Peak Tramway.

It explains how quickly tourists can access the mountain using the Sandia Peak Tramway system.

It contrasts the number of tourists the Sandia Peak Tramway can transport with other tourist transportation systems.