Images

An alabaster statuette of Ankhnesmeryre II and her son Pepi II. Egypt, 6th Dynasty, c. 2288-2224/2194 BCE (Brooklyn Museum)

The Tower of the Winds, also called Horologion of Androkinos, is an octagonal Pentelic marble clocktower located in the Roman Agora in Athens. The structure features a combination of sundials, a water clock and a wind...

The interior of the Tower of the Winds, also called Horologion of Androkinos, showing the central section of the floor of the monument. The holes were used for mounting the hydraulic mechanism which was...

China, Ming dynasty (1468-1644) Copper alloy. Seated on a lotus of 1,000 petals that emit 100,000 buddhas. Stanford Museum

Seated Buddha. A bronze figure of the Buddha showing the Dharmachakra mudra. Danesar Khera, India, 6th century CE. British Museum, London.

This map shows all major civilizations of East Asia at the beginning of the 3rd century CE. Italicized texts indicate nomadic bands or tribal societies.

This map shows all major civilizations of East Asia at the beginning of 4th century CE. Italicized texts indicate nomadic bands or tribal societies.

This map depicts the boundaries of all major civilizations in East Asia at the beginning of the Three Kingdoms Period of China, with italics indicating nomadic bands and other tribal...

Mixcoatl, the Mesoamerican god of hunting and the Milky Way. Here he is depicted in familiar guise with red and white striped face paint, black mask, and a bundle of arrows. Codex Borgia, pre-Columbian. (Vatican Museums, Rome)

An hourglass.