Lots of rivercrossing drills in #Russia. Major one with railway bridges built in Yaroslav... https://t.co/8gWIQi9Gic— Petri Mäkelä (@pmakela1) August 28, 2017
Lots of rivercrossing drills in #Russia. Major one with railway bridges built in Yaroslav... https://t.co/8gWIQi9Gic