Since cannons were no longer fired in the bastions ( with the impact of canon fire thrust no longer a factor ) , they were instead used for accommodations .
By 1859 the bastions came to be used as barracks for housing soldiers .
Since cannons were no longer fired in the bastions ( with the impact of canon fire thrust no longer a factor ) , housing soldiers were instead used for accommodations .
By 1859 the bastions came to be used as barracks for housing soldiers .