Their appearance is like that of horses, and they gallop like war horses.
Joel 2:4 In-Context
a day of darkness and gloom, a day of clouds and blackness. Like dawn spreading across the mountains a large and mighty army comes, such as never was in ancient times nor ever will be in ages to come.
Before them fire devours, behind them a flame blazes. Before them the land is like the garden of Eden, behind them, a desert waste— nothing escapes them.
They have the appearance of horses; they gallop along like cavalry.
With a noise like that of chariots they leap over the mountaintops, like a crackling fire consuming stubble, like a mighty army drawn up for battle.
At the sight of them, nations are in anguish; every face turns pale.