Zechariah 6:1

Then I turned and raised my eyes and looked, and behold, four chariots were coming from between two mountains, and the mountains were mountains of bronze.

Surrounding context

6:1 Then I turned and raised my eyes and looked, and behold, four chariots were coming from between two mountains, and the mountains were mountains of bronze.

6:2 With the first chariot were red horses, with the second chariot black horses,

Translation and sources