Another Riddle

[adrock]

When they close the last door, when the light is gone, littered in the plenty Something can be said, many laughters can be read, by the haggard and the gentry. Often subject to cultural attack and theft, the memories come once the tears have left. What is left behind?? It is not a building and the answer is one word long.

[Avocado]

a graveyard, or doesn't the a count?