WASHINGTON DC, USA - AUGUST 5, 2016: The Library of Congress is the research library that officially serves the United States Congress and is the de facto national library of the United States.
Editorial use only
Editorial credit: Valerii Iavtushenko / Shutterstock.com

Royalty-free stock photo ID: 570867745

WASHINGTON DC, USA - AUGUST 5, 2016: The Library of Congress is the research library that officially serves the United States Congress and is the de facto national library of the United States.