Hurricane Sandy came ashore in the fall of 2012 creating a disaster for so many people. The amount of debris left behind from the fierce storm was unbelievable. Houses and cars had been flooded and furniture floated on the streets. Docks and piers had been broken up and washed away. Subways were filled with water, and many people were without power for several weeks in freezing cold temperatures. Before cleanup efforts began, many cities looked similar to a junkyard.
What is the definition of debris as it is used in the text?