Quizzes & Puzzles6 mins ago
Street Deposits
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Can anyone tell me what are the many white deposits on the streets of Leeds on both the pavements and the roads? No effort is ever made to remove them and clean the area.
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I used to run a railway station and, as well as the work of our own cleaning staff, we had to have a specialist firm (with specialist equipment) spend an entire night, once per month, cleaning the ruddy stuff off our platforms. Where councils don't use special cleaning machines to get rid of the stuff (as some do), most busy streets will have many thousands of deposits dropped on them within a very short time.
It's definitely chewing gum!
I used to run a railway station and, as well as the work of our own cleaning staff, we had to have a specialist firm (with specialist equipment) spend an entire night, once per month, cleaning the ruddy stuff off our platforms. Where councils don't use special cleaning machines to get rid of the stuff (as some do), most busy streets will have many thousands of deposits dropped on them within a very short time.
It's definitely chewing gum!
... or chewing gum lichen http:// www.nat urespot .org.uk /specie s/chewi ng-gum- lichen
not all chewing gum....
Chewing gum lichen - Lecanora muralis
This is common on pavements and resembles discarded chewing gum. The tough upper surface of the lichen is made up of thousands of tightly packed filaments which collect the nutrients and moisture in the air. People walking over it helps the lichen to spread. This lichen was first seen in London in 1960 and now it is found on pavements all over Britain. We have quite a lot on the paving on our patio at the back of the house, where they seem to prefer the concrete slabs to the red bricks.
Chewing gum lichen - Lecanora muralis
This is common on pavements and resembles discarded chewing gum. The tough upper surface of the lichen is made up of thousands of tightly packed filaments which collect the nutrients and moisture in the air. People walking over it helps the lichen to spread. This lichen was first seen in London in 1960 and now it is found on pavements all over Britain. We have quite a lot on the paving on our patio at the back of the house, where they seem to prefer the concrete slabs to the red bricks.