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Sensori, occhiali intelligenti, smartphone: i poliziotti nell'era dell'Internet of Things - Digital4
![The Tomb of the Unknowns is reflected in the sunglasses of a Tomb Guard at Arlington Cemetery in Arlington, VA on May 28, 2012. UPI/Molly Riley Stock Photo - Alamy The Tomb of the Unknowns is reflected in the sunglasses of a Tomb Guard at Arlington Cemetery in Arlington, VA on May 28, 2012. UPI/Molly Riley Stock Photo - Alamy](https://c8.alamy.com/comp/W0GMCD/the-tomb-of-the-unknowns-is-reflected-in-the-sunglasses-of-a-tomb-guard-at-arlington-cemetery-in-arlington-va-on-may-28-2012-upimolly-riley-W0GMCD.jpg)
The Tomb of the Unknowns is reflected in the sunglasses of a Tomb Guard at Arlington Cemetery in Arlington, VA on May 28, 2012. UPI/Molly Riley Stock Photo - Alamy
![A Sentinel from the 3rd U.S. Infantry Regiment (The Old Guard) participates in the changing of the guard at the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Virginia, May A Sentinel from the 3rd U.S. Infantry Regiment (The Old Guard) participates in the changing of the guard at the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Virginia, May](https://i.redd.it/z2j1cond3fs71.jpg)
A Sentinel from the 3rd U.S. Infantry Regiment (The Old Guard) participates in the changing of the guard at the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Virginia, May
![Oakley SI Men's OO9328 SI Tombstone Spoil Oval Sunglasses, Matte Black/Grey, 39 mm : Amazon.ca: Clothing, Shoes & Accessories Oakley SI Men's OO9328 SI Tombstone Spoil Oval Sunglasses, Matte Black/Grey, 39 mm : Amazon.ca: Clothing, Shoes & Accessories](https://m.media-amazon.com/images/I/51CcWXpUFQL._AC_UY1000_.jpg)
Oakley SI Men's OO9328 SI Tombstone Spoil Oval Sunglasses, Matte Black/Grey, 39 mm : Amazon.ca: Clothing, Shoes & Accessories
![Sentinels assigned to the Tomb of the Unknown Soldier, 3rd U.S. Infantry Regiment (The Old Guard), conduct a Changing of the Guard ceremony at the Tomb of the Unknown Soldier, Arlington National Sentinels assigned to the Tomb of the Unknown Soldier, 3rd U.S. Infantry Regiment (The Old Guard), conduct a Changing of the Guard ceremony at the Tomb of the Unknown Soldier, Arlington National](https://i.redd.it/mgwbk0p755g21.jpg)
Sentinels assigned to the Tomb of the Unknown Soldier, 3rd U.S. Infantry Regiment (The Old Guard), conduct a Changing of the Guard ceremony at the Tomb of the Unknown Soldier, Arlington National
![The Old Guard on X: "Today marks the hottest day of summer. This makes no difference to the Soldiers who guard the Tomb of the Unknown Soldier. @USArmy https://t.co/ZpW7dJ0vtn" / X The Old Guard on X: "Today marks the hottest day of summer. This makes no difference to the Soldiers who guard the Tomb of the Unknown Soldier. @USArmy https://t.co/ZpW7dJ0vtn" / X](https://pbs.twimg.com/media/DEpiFjXXcAQ2ZU6.jpg)
The Old Guard on X: "Today marks the hottest day of summer. This makes no difference to the Soldiers who guard the Tomb of the Unknown Soldier. @USArmy https://t.co/ZpW7dJ0vtn" / X
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Standard Issue Armed Forces Holbrook™- Space Guardians Prizm Black Lenses, Matte Carbon Frame Sunglasses | Oakley Standard Issue US
![The Tomb of the Unknown Soldier surrounded by flowers is reflected in the sunglasses of a tomb guard of the 3rd U.S. Infantry Regiment, known as "The Old Guard," during a centennial The Tomb of the Unknown Soldier surrounded by flowers is reflected in the sunglasses of a tomb guard of the 3rd U.S. Infantry Regiment, known as "The Old Guard," during a centennial](https://c8.alamy.com/zooms/9/a1c3f29a1aea496c932418332755b698/2h5m0f3.jpg)