Advice on physical distancing by WHO and vintage pairs of shoes illustration vector poster https://www.rawpixel.com/image/2320285/free-illustration-vector-flower-poster-template-covid-shoeView licenseAdvice on physical distancing by WHO and vintage pairs of shoes illustration psd mockup poster https://www.rawpixel.com/image/2320287/free-illustration-psd-covid-blank-space-flower-poster-template-butterflyView licenseMother and child. Alley dwelling area. Washington, D.C.. Sourced from the Library of Congress. https://www.rawpixel.com/image/12255692/photo-image-face-person-brick-wallFree Image from public domain licenseFive o'clock crowds, Chicago, Illinois. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259699/photo-image-people-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Sunday morning, church in Matamoros, Mexico]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252256/photo-image-people-public-domain-archFree Image from public domain licenseCharlotte Court House, Virginia. Central High School. The corridor between classes. A teacher watching to see that the… https://www.rawpixel.com/image/12297054/photo-image-person-public-domain-womanFree Image from public domain license[Untitled photo, possibly related to: Books on display in show store window, 47th Street, Chicago, Illinois]. Sourced from… https://www.rawpixel.com/image/12252683/photo-image-person-art-bookFree Image from public domain license family in front of their alley dwelling. The older woman is a cleaning woman in the U.S. government. Washington, D.C..… https://www.rawpixel.com/image/12255678/photo-image-dog-face-personFree Image from public domain licenseMrs. Spiller at stove in their one-room shack. Note narrow window. Also Mrs. Spiller wearing overshoes because of dampness… https://www.rawpixel.com/image/12299071/image-person-living-room-woodFree Image from public domain licenseKeysville, Virginia. Randolph Henry High School. Graduation exercises for 123 students. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297151/photo-image-person-road-public-domainFree Image from public domain license