We learned that: If no cup is available for washing one's hands, one can immerse them into a river or into snow, if there's enough snow on the ground to fill a Mikve. (About 500 litres/130 gallons of ...
Is it permitted to make a snowman? Or is it considered constructing a graven image? Prompted by this: http://www.mirror.co.uk/news/world-news/saudi-arabia-issues-fatwa---4967400