Let in the Light: Ancient Roman Fort Designed for Celestial Show

The gateways of an ancient Roman fort in Britain are roughly aligned with the light from the sun during the summer and winter solstices — a design that would have resulted in a striking scene on the shortest and longest days of the year, a researcher says. During the winter solstice, the sun would rise in line with the fort's southeastern and northwestern gates, and set in line with the fort's …