The High Line is an elevated linear park, greenway and rail trail.It was created on a former New York Central Railroad spur on the west side of Manhattan. America; Manhattan; Meatpacking; NYC; New York City; USA;attraction; design; development; district; ecology; elevated; environment; green; horizontal; landmark; landscape; linear; modern; neighborhood; park; people; popular; promenade; rail; railroad;real estate; reconstruction; recycling;revitalized; sightseeing;viaduct; visitors; viaduct