1.   But heavy snowfall can cause many of the dirt tracks leading to villages to become impassable.

2.   Heavy snowfalls caused traffic chaos and closed rail lines Wednesday as authorities sent out a general avalanche alert.

3.   Heavy snowfalls are causing havoc in northern Afghanistan and disrupting humanitarian work, but bringing happiness to drought-stricken farmers, officials said Friday.

4.   North of the Canadian border, record snowfalls caused major transport disruption in southern British Columbia and Vancouver Island.