PRAGUE, CZECH REPUBLIC - APRIL 20: Aerial view of the third courtyard of Prague castle in Prague on April 20, 2012. Prague Castle is the biggest castle in the world at about 570 meters in length.
- Image ID: 103392752
- Release Information: Editorial Use Only. Use of this image in advertising or for promotional purposes is prohibited.
- Editorial Credit: Matyas Rehak / Shutterstock.com
- Copyright: Matyas Rehak