CHICAGO, IL - JULY 23: A couple waits out a rain delay as the game between the Chicago White Sox and the Detroit Tigers was stopped at the end of the second inning because of bad weather on July 23, 2016 at U. S. Cellular Field in Chicago, Illinois. (Photo by David Banks/Getty Images)

Technicians prepare the Solar-powered Solar Impulse 2 aircraft at the Cairo International Airport in the Egyptian capital on July 23, 2016, ahead of the final leg of its world tour. The Mission Control Center team of the SOlar Impusle 2 are preparing for a second attempt to leave Cairo arport for the final leg of it's trip after the flight was postponed earlier in the month due to weather conditions. The team identified a weather window that could allow them overcome the challenging high temperatures across Saudi Arabia and hopefully land in Abu Dhabi after 48 hours. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images

A technician prepares the Solar-powered Solar Impulse 2 aircraft at the Cairo International Airport in the Egyptian capital on July 23, 2016, ahead of the final leg of its world tour. The Mission Control Center team of the SOlar Impusle 2 are preparing for a second attempt to leave Cairo arport for the final leg of it's trip after the flight was postponed earlier in the month due to weather conditions. The team identified a weather window that could allow them overcome the challenging high temperatures across Saudi Arabia and hopefully land in Abu Dhabi after 48 hours. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images

Technicians prepare the Solar-powered Solar Impulse 2 aircraft at the Cairo International Airport in the Egyptian capital on July 23, 2016, ahead of the final leg of its world tour. The Mission Control Center team of the SOlar Impusle 2 are preparing for a second attempt to leave Cairo arport for the final leg of it's trip after the flight was postponed earlier in the month due to weather conditions. The team identified a weather window that could allow them overcome the challenging high temperatures across Saudi Arabia and hopefully land in Abu Dhabi after 48 hours. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images

Technicians prepare the Solar-powered Solar Impulse 2 aircraft at the Cairo International Airport in the Egyptian capital on July 23, 2016, ahead of the final leg of its world tour. The Mission Control Center team of the SOlar Impusle 2 are preparing for a second attempt to leave Cairo arport for the final leg of it's trip after the flight was postponed earlier in the month due to weather conditions. The team identified a weather window that could allow them overcome the challenging high temperatures across Saudi Arabia and hopefully land in Abu Dhabi after 48 hours. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images

A technician prepares the Solar-powered Solar Impulse 2 aircraft at the Cairo International Airport in the Egyptian capital on July 23, 2016, ahead of the final leg of its world tour. The Mission Control Center team of the SOlar Impusle 2 are preparing for a second attempt to leave Cairo arport for the final leg of it's trip after the flight was postponed earlier in the month due to weather conditions. The team identified a weather window that could allow them overcome the challenging high temperatures across Saudi Arabia and hopefully land in Abu Dhabi after 48 hours. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images

Juventus' Italian manager Massimiliano Allegri reacts to the cold weather temperature during the International Champions Cup football match between Italy's Serie A team Juventus and Australia's A-league team Melbourne Victory in Melbourne on July 23, 2016. / AFP PHOTO / SAEED KHAN / IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USESAEED KHAN/AFP/Getty Images

Juventus' Italian manager Massimiliano Allegri reacts to the cold weather temperature during the International Champions Cup football match between Italy's Serie A team Juventus and Australia's A-league team Melbourne Victory in Melbourne on July 23, 2016. / AFP PHOTO / SAEED KHAN / IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USESAEED KHAN/AFP/Getty Images