Cover up ?

Spotted this during our walk through the Black Spout Woods today.  No idea why. 

The woods and surrounding paths were the busiest I have ever seen them - we must have passed about 20 twenty people. 

Aside from our walk,  I continue to channel my inner 1950s housewife by donning my pinny and making chicken, leek and potato pie for tonight. This was to use up some filo pastry I came across in the freezer. 
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I have also been exploring the life of father's mother's father's mother who lived in the wonderfully sounding Paradise Lane from early childhold  to her death aged 75. However as the picture shows the address was comprised of typical Dundee tenements.