:timeline-of-human-activity-from-the-stone-age-to-the-space-age:

:silhouettes-of-20-humans-progressively-evolving-from-neandertals-to-modern-people:

:horizontal-black-bar-40-units-long-and-1-unit-tall-with-silhouettes-of-20-humans-doing-tasks-along-the-top-edge-of-the-bar-starting-with-cavemen-at-the-left-and-evolving-and-progressing-to-modern-people-at-the-right,-vector,-digital-illustration:

:horizontal-black-bar-with-silhouettes-of-humans-doing-tasks-along-the-top-edge-of-the-bar:

:vector-silhouette: