○○○slab⪢⪢
Glaciers are sometimes called 'rivers of ice' because they are huge _____s of ice and snow that move very slowly across the landscape.
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○○○sled⪢⪢
The sledding crew looked to be having fun. After their ride they snacked on sugar cane. That's the elephant equivalent of going out for ice cream.
http://qindex.info/i.php?x=16163