LONG BEACH (CBSLA.com) — Officials in Long Beach gathered Tuesday to unveil the city’s so-called Great Wall of Mulch.

READ MORE: Santa Ana Winds Return To Southland Tuesday; Wind Advisory Issued

The wall, located in Hudson Park next to the Terminal Island Freeway, was built as a buffer between West Long Beach neighborhoods and the noisy port traffic.

READ MORE: Crews Cleanup Wild Wind Damage In Claremont

It is made completely of mulch, spanning 12 feet high and 3 feet wide.

MORE NEWS: Man Carjacked And Tased In Culver City

Green waste generated from routine trimmings will help replenish the structure, which city leaders say is the first of its kind in the nation.