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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
PAN, Gold Star Mothers and Gold Star Wives read out names of their love ones who were killed in conflicts as they participate in a candlelight vigil at the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014....
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
LS, Family and Friends rub a name of their love one on a piece of paper from the wall of the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC.(Footage by Alex Wong/Getty Images)
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An archaeologist holds a shard of stone that bears ancient writing.
An archaeologist holds a shard of stone that bears ancient writing.
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Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
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Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
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Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
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Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
Rock art at Twyfelfontein, North Western Namibia. National Monument and World Heritage Site
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Tracking torchbeam down stone engraved with ancient Egyptian hieroglyphics, Sakkara, Egypt (sound available)
Tracking torchbeam down stone engraved with ancient Egyptian hieroglyphics, Sakkara, Egypt (sound available)
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Rock painting: women, Namaqualand, South Africa
Rock painting: women, Namaqualand, South Africa
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WS Shot of excavator engraving pit at bridge construction site preparing demolition of old bridge at Saar river/ Wiltingen, Rhineland Palatinate, Germany
WS Shot of excavator engraving pit at bridge construction site preparing demolition of old bridge at Saar river/ Wiltingen, Rhineland Palatinate, Germany
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
MS, Family and Friends look up names of their love ones on the wall of the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC. (Footage by Alex Wong/Getty Images)
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
CU, A U.S. flag flies on the ground near the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC. (Footage by Alex Wong/Getty Images)
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
TS, Family and Friends rub a name of their love one on a piece of paper from the wall of the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC.(Footage by Alex Wong/Getty Images)
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
TS, Bouquets of flower are placed at the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC. (Footage by Alex Wong/Getty Images)
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
MS, Family and Friends look up names of their love ones on the wall of the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC. (Footage by Alex Wong/Getty Images)
Getty Images
Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
PAN, Participants join a candlelight vigil at the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC. (Footage by Alex Wong/Getty Images)
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Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
TS, Gold Star Mothers and Gold Star Wives participate in a candlelight vigil at the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC.(Footage by Alex Wong/Getty Images)
Getty Images
Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
LS, Gold Star Mothers and Gold Star Wives participate in a candlelight vigil at the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC.(Footage by Alex Wong/Getty Images)
Getty Images
Candlelight Vigil Held Ahead Of Memorial Day At Vietnam Memorial
CU, Family and Friends look up names of their love ones on the wall of the Vietnam Veterans Memorial prior to the Memorial Day weekend. May 23, 2014. Washington, DC. (Footage by Alex Wong/Getty Images)
Getty Images
Tilt down stone wall engraved with ancient Egyptian hieroglyphics, Sakkara, Egypt (sound available)
Tilt down stone wall engraved with ancient Egyptian hieroglyphics, Sakkara, Egypt (sound available)
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The sun illuminates the interior of an ancient temple in Karnak, Egypt.
The sun illuminates the interior of an ancient temple in Karnak, Egypt.
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The sun shines on pillars covered with hieroglyphs in an ancient temple.
The sun shines on pillars covered with hieroglyphs in an ancient temple.
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An inscription in stone reads, Michael Nostradami.
An inscription in stone reads, Michael Nostradami.
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An archaeologist gently brushes dust away from a inscribed stone in Qift, Egypt.
An archaeologist gently brushes dust away from a inscribed stone in Qift, Egypt.