Note: This calendar view maps the number of captures of http://portal.unesco.org/unesco/ev.php?URL_ID=33787&URL_DO=DO_EMAIL_FRIEND&URL_SECTION=201&reload=1203349620&EXIT_URL_ID=33787&EXIT_URL_DO=DO_TOPIC&EXIT_URL_SECTION=201, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.