Artillery Warfare: The First World War Guns Blowing Ukraine Apart

The brutal fighting in Ukraine has transformed since the first Russian boots crossed the border in February.

The pitched street battles of the early days of the war have all but disappeared in favor of a far more destructive method: artillery.

Like the First World War, much of the killing on the battlefield is now done from miles behind the frontline, where batteries launch terrible barrages at the opposition trenches.