We're in for a brief warm-up period but there's a harsh winter in neighbouring countries. If you're going to travel by car to Bulgaria, Hungary, Croatia or Poland, you'd be wise to postpone the trip. Massive snowfalls and frost have hit several European countries, making dozens of victims. In Poland alone, 21 people lost their lives because of temperatures that fell below minus 20 degrees Celsius. The following footage can cause emotional distress.