Vehicles clog a highway during a hazy day in Beijing, China, Wednesday, February 26, 2014. Beijing remained cloaked in hazardous white pollution hiding much of its skyline Wednesday, despite the announced closures or production cuts at 147 of the city's industrial plants. (Photo by Ng Han Guan/AP Photo)

Members of the Communist New Fourth Army on parade. Note how the modern equipment contrasts with the shoeless soldiers in the foreground. (Photo by Hulton Archive/Getty Images). 6th July 1946

On Keo Wa, 25, carries her 9-month-old baby while working at a banana plantation operated by a Chinese company in the province of Bokeo in Laos April 24, 2017. (Photo by Jorge Silva/Reuters)

A model presents a creation by Spanish designer Agatha Ruiz de la Prada during the Mercedes Benz Fashion Week Madrid, MBFWM, in Madrid, Spain, 16 September 2016. The MBFWM runs from 15 to 20 September 2016. (Photo by J.J. Guillen/EPA)

A model presents a creation at the Moschino fashion show during Milan Fashion Week Spring/Summer 2017 in Milan, Italy, September 22, 2016. (Photo by Alessandro Garofalo/Reuters)

A model presents creations by designer Filipe Faisca as part of his Spring/Summer 2017 collection show during Lisbon Fashion Week, Portugal, October 9, 2016. (Photo by Rafael Marchante/Reuters)

A model is styled before the Jasper Conran Spring/Summer 2018 runway show at London Fashion Week in London, Saturday, September 16, 2017. (Photo by Vianney Le Caer/Invision/AP Photo)

A model presents a creation at the Lingerie Show-Forum 2016 international lingerie, swimwear, homewear and hosiery trade show in Moscow, Russia, February 24, 2016. (Photo by Sergei Karpukhin/Reuters)