At the end of the Ice Age (some 13,000 years ago), the glaciers melted, leaving a long ridge of sediment sloping gradually from the top of the volcanic hills.
The Ice Age ended 13,000 years ago.
The Ice Age ended in 1994.
The horizon was crystal clear with moon visible.
A man walking down a city street.
Two men are engaged in a complicated physical activity.
A man is looking at fields.
The band is throwing glitter on the crowd.
Sometimes, aliens legally leave the country for brief periods of time.