Chalkboards from 1917 Preserved at Emerson High School in Oklahoma City

This is the most amazing story.

At the Washington Post, "Haunting chalkboard drawings, frozen in time for 100 years, discovered in Oklahoma school."

Chalkboards frozen in time in Oklahoma City Public Schools since 1917: http://t.co/Eoi8VTlZBP @USDEducation

— John Barnshaw (@JohnBarnshaw) June 7, 2015

Also at London's Daily Mail, "Lessons from the past: High school renovations reveal students' chalkboard drawings frozen in time at Thanksgiving 1917."