From there they will take part in the famous concentration runs in the snow of the Alps before emerging into the sunshine of the Riviera and Monte Carlo late next week, barring mechanical mishaps.

BBC: Monte Carlo Classic Rally starts in Glasgow

The levels of snow across the Alps have not gone down much in recent years - but the time at which the snow falls has changed.

BBC: Snow cannons pump out artificial snow

Certainly over there in the Alps where there are no - there's no snow in the low-lying parts of the Alps, it certainly is global warning.

NPR: Can Climate Change Explain Odd Weather?