Original sentence: At 3:18 pm on 23 August 1942 marked the initial bombing and the begining of the battle for Stalingrad itself.In the first few hours of bombing, the headquarters of the city's air defences were bombed.Many civilians, including women and children were killed in the bombing.Only 90 were shot down by the inadequate, yet determined Soviet fighters and 30 were hit by Anti-aircraft fire.Over the course of the battle, the Germans flew 70,000 sorties dropping over a million bombs.The Heinkel 111 aircraft approximately 4400 lbs (2000 kg) of bombs.The advance of the Axis troops was well known, but Stalin resisted the evacuation of civilians, in part due to the importance of the city's factories to the war effort.The civilians that survived, were involved in preparing the defense of Stalingrad.The extensive bombing caused numerous fires.The virtually unopposed German bombers began bombing the city.There were about 1,000 German bombers, involved in the initial attacks
Edited sentence: At 3:18 pm on 23 August 1942 the peace of the bustling metropolis was shattered by air raid sirens.Each Heinkel 111 aircraft carried 2.5 tons of bombs and caused fires everywhere.In all, the Germans flew 70,000 sorties dropping over a million bombs.In the first few hours of bombing, the newly-set and shelterless headquarters of the city's air defences were bombed.Many women and children dug holes on the banks for protection.Most people fled towards the Volga, while the Germans continued attacking all moving objects.Only 90 were shot down by the ill-prepared and under supplied, yet determined Soviet fighters and 30 were hit by artillery.Several hundreds of people were buried in the rubble.Soon, the unstoppable German bombers began pounding the city.The suburbs were targetted more than the hub, so the German infantry received aerial supplies unhindered.Then some planes flew low and machine-gunned many innocent civilians.There were about 1,000 German bombers