Flying Black Horse in Jeddah, Saudi Arabia November 2014.
This third (black) horse appears in Revelation 6:5 and 6:
"When the Lamb broke the third seal, I heard the third living being say, 'Come!' And I looked up and saw a black horse, and its rider was holding a pair of scales in his hand. And a voice from among the four living beings said, 'A loaf of wheat bread or three loaves of barley for a day's pay. And don't waste the olive oil and wine'" (Revelation 6:5-6, NLT).