Winter vacation 2013, Washington, DC, New York – Photos: Hoàng Trọng

Jefferson Memorial, Wash. DC – Photo: Hoàng Trọng

The White House, Wash. DC – Photo: Hoàng Trọng

The White House (Front), Wash., DC – Photo: Hoàng Trọng

The Capitol, Wash DC – Photo: Hoàng Trọng

National Gallery of Arts, Wash. DC – Photo: Hoàng Trọng

New York – Photo: Hoàng Trọng

New York Twin Tower Memorial displaying two burnt metal beams  – Photo: Hoàng Trọng

New York – Statue of Liberty – Photo: Trong Hoang

Pittsburg – Photo: Hoàng Trọng