Jersey City’s downtown. Now, after more than a quarter-century of wrangling, officials are proceeding with a plan to transform what was once an elevated rail line into a nearly mile-long linear park.

The proposed light rail would be the biggest expansion of the city’s transit system since the GG line was created almost 90 years ago.

Take a walking tour through Hudson Yards and The High Line in New York City. This video captures the modern architecture, skyline views, and elevated park that make this area one of Manhattan’s most ...