Hi Don!
You have my sympathy going shopping in crowds. We try to go when we know it will be quiet and for that reason avoid Saturdays at this time of year.
'Black Friday' sounds like the start of the really big 'sales' in London particularly. In this context 'sales' means prices that are slashed by perhaps 50% or goods practically 'given away' as loss leaders. However prices are slashed so often these days that 'sales' have almost lost their novelty factor. Yes, there are Malls over here but I find they involve too much walking and are too hot.
In Spain near to where we live we have a lovely 'mall'. It is not enclosed all the way round, although shade from the sun is provided, which means we can still enjoy the fresh air and the views. I really like it, except when it rains of course!. However that is fortunately not too often! See this site for more information
http://www.torreviejainformation.com/torrevieja/This is the Manchester Mall
http://www.traffordcentre.co.uk/:cheers: Gillian
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''What will survive of us is love.''Philip Larkin