PHOTOS: Summer Solstice Marked With Fire, Magic, More

PHOTOS: Summer Solstice Marked With Fire, Magic & Yoga
<< Previous   5 of 7   Next >>
Each summer solstice the sunlight floods the bottom of an ancient well near Aswān, Egypt, as shown in an undated photo.

During the solstice the sun is nearly directly overhead the city—a fact the Greek scholar Eratosthenes used to help calculate the circumference of Earth in the third century B.C.

The city's position just slightly north of the Tropic of Cancer—the circle of latitude that receives solstice sunlight at a 90-degree angle—skewed his calculations, but not by much.

More Photos in the News
Today's Top 15 Most Popular Stories
Free Email Newsletter: "Focus on Photography"
—Photograph by Bob Sacha/Corbis
 
NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS




 

50 Drives of a Lifetime

Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.