This pictures was taken in 1918 with 18,000 officers and soldiers during World War 1. I verified the information at:
Snopes and Iowa National Guard.
FACTS: Base to Shoulder: 150 feet Right Arm: 340 feet Widest part of arm Holding torch: 12 1/2 feet Right thumb: 35 feet Thickest part of body: 29 Feet Left hand length: 30 feet Face: 60 feet Nose: 21 feet Longest spike of Head piece: 70 feet Torch and flame combined: 980 feet Number of men in Flame of torch: 12,000 Number of men in torch: 2,800 Number of men in right Arm: 1,200 Number of men in body, head and balance of figure only: 2,000
Total men: 18,000