natgeofound: Locals walk the streets of Madison Square near the Flatiron Building in New York City, July 1918. This photo and others from the National Geographic archives are being auctioned by Christie’s in an exclusive, online-only sale from July

natgeofound: Locals walk the streets of Madison Square near the Flatiron Building in New York City, July 1918. This photo and others from the National Geographic archives are being auctioned by Christie’s in an exclusive, online-only sale from July

natgeofound: Locals walk the streets of Madison Square near the Flatiron Building