Gil Shwed, Chief Executive of Network security provider Check Point Software Technologies, speaks during the annual Cyber Week conference at the Tel Aviv University in the Israeli coastal city on June 20, 2016. / AFP PHOTO / JACK GUEZJACK GUEZ/AFP/Getty Images

A replica of the Trojan horse made up of thousands of computer and mobile phone components infected with various viruses and malware, named the "Cyber Horse" is displayed at the entrance to the annual Cyber Week conference at the Tel Aviv University in the Israeli city of Tel Aviv on June 20, 2016. The Cyber Horse is a piece of art composed of devices that can be harmed by malware and was created in order to prompt national and international awareness of the dangers of cyber-attacks. / AFP PHOTO / JACK GUEZJACK GUEZ/AFP/Getty Images

A man takes a picture of a hoof of a replica of the Trojan horse made up of thousands of computer and mobile phone components infected with various viruses and malware, names the "Cyber Horse" displayed at the entrance to the annual Cyber Week conference at the Tel Aviv University in the Israeli city of Tel Aviv on June 20, 2016. The Cyber Horse is a piece of art composed of devices that can be harmed by malware and was created in order to prompt national and international awareness of the dangers of cyber-attacks. / AFP PHOTO / JACK GUEZJACK GUEZ/AFP/Getty Images

A replica of the Trojan horse made up of thousands of computer and mobile phone components infected with various viruses and malware, names the "Cyber Horse" is displayed at the entrance to the annual Cyber Week conference at the Tel Aviv University in the Israeli city of Tel Aviv on June 20, 2016. The Cyber Horse is a piece of art composed of devices that can be harmed by malware and was created in order to prompt national and international awareness of the dangers of cyber-attacks. / AFP PHOTO / JACK GUEZJACK GUEZ/AFP/Getty Images

TOPSHOT - This handout picture taken and released by Solar Impulse 2 on June 20, 2016, shows the sun-powered Solar Impulse 2 aircraft flying over New York City and the Statue of Liberty after Andre Borschberg took off from Lehigh Valley to New York as he embarks on the transatlantic leg of his record-breaking flight around the world to promote renewable energy. Departed from Abu Dhabi on march 9th 2015, the Round-the-World Solar Flight will take 500 flight hours and cover 35000 km. Swiss founders and pilots, Bertrand Piccard and André Borschberg hope to demonstrate how pioneering spirit, innovation and clean technologies can change the world. The duo will take turns flying Solar Impulse 2, changing at each stop and will fly over the Arabian Sea, to India, to Myanmar, to China, across the Pacific Ocean, to the United States, over the Atlantic Ocean to Southern Europe or Northern Africa before finishing the journey by returning to the initial departure point. Landings will be made every few days to switch pilots and organise public events for governments, schools and universities. / AFP PHOTO / Solar Impulse 2 / JEAN REVILLARD / REZO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SOLAR IMPULSE 2 / JEAN REVILLARD /REZO" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS JEAN REVILLARD / REZO/AFP/Getty Images

This handout picture taken and released by Solar Impulse 2 on June 20, 2016, shows the sun-powered Solar Impulse 2 aircraft flying over New York City and the Statue of Liberty after Andre Borschberg took off from Lehigh Valley to New York as he embarks on the transatlantic leg of his record-breaking flight around the world to promote renewable energy. Departed from Abu Dhabi on march 9th 2015, the Round-the-World Solar Flight will take 500 flight hours and cover 35000 km. Swiss founders and pilots, Bertrand Piccard and André Borschberg hope to demonstrate how pioneering spirit, innovation and clean technologies can change the world. The duo will take turns flying Solar Impulse 2, changing at each stop and will fly over the Arabian Sea, to India, to Myanmar, to China, across the Pacific Ocean, to the United States, over the Atlantic Ocean to Southern Europe or Northern Africa before finishing the journey by returning to the initial departure point. Landings will be made every few days to switch pilots and organise public events for governments, schools and universities. / AFP PHOTO / Solar Impulse 2 / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SOLAR IMPULSE 2" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

This handout picture taken and released by Solar Impulse 2 on June 20, 2016, shows the sun-powered Solar Impulse 2 aircraft flying over New York City after Andre Borschberg took off from Lehigh Valley to New York as he embarks on the transatlantic leg of his record-breaking flight around the world to promote renewable energy. Departed from Abu Dhabi on march 9th 2015, the Round-the-World Solar Flight will take 500 flight hours and cover 35000 km. Swiss founders and pilots, Bertrand Piccard and André Borschberg hope to demonstrate how pioneering spirit, innovation and clean technologies can change the world. The duo will take turns flying Solar Impulse 2, changing at each stop and will fly over the Arabian Sea, to India, to Myanmar, to China, across the Pacific Ocean, to the United States, over the Atlantic Ocean to Southern Europe or Northern Africa before finishing the journey by returning to the initial departure point. Landings will be made every few days to switch pilots and organise public events for governments, schools and universities. / AFP PHOTO / Solar Impulse 2 / JEAN REVILLARD / REZO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SOLAR IMPULSE 2 / JEAN REVILLARD /REZO" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS JEAN REVILLARD / REZO/AFP/Getty Images

An internet user poses in front of a computer screen showing a twitter website post of a digitally altered image of Burundi's President Pierre Nkurunziza, in Kampala on June 19, 2016. A quiet protest movement is spreading in Burundi's schools where hundreds of students have been suspended in recent weeks for defacing pictures of President Pierre Nkurunziza in textbooks. Scribbling on the presidential portraits contained in government-issue study guides is seen as an act of silent resistance against a regime that clings to power despite more than a year of deadly protests. / AFP PHOTO / STRINGERSTRINGER/AFP/Getty Images