YetwhollywerenotfromtheSaracinesTheirworksconcealedandtheirlaborshid，UponthatwallwhichnextthecampconfinesTheyplacedspies，whomarkedalltheydid：
Theysawtheasheswildandsquaredpines，Howtothetents，trailedfromthegrove，theyslid：
Andengineshugetheysaw，yetcouldnottellHowtheywerebuilt，theirformstheysawnotwell。
XLVII
Theirengineseketheyreared，andwithgreatartRepairedeachbulwark，turret，portandtower，Andfortifiedtheplainandeasypart，Tobidethestormofeverywarlikestoure，TillastheythoughtnosleightorforceofMartToundermineorscalethesamehadpower；