21.   Northeast Bulgaria remained impassable under a heavy blanket of snow as police banned all travel to and from the region.

a. + blanket >>共 259
thick 4.96%
gray 3.46%
white 3.31%
heavy 3.16%
blue 3.16%
thermal 2.56%
old 2.41%
thin 2.11%
warm 1.95%
indian 1.95%
heavy + n. >>共 756
rain 16.39%
weapon 3.93%
snow 3.22%
artillery 2.96%
loss 2.05%
pressure 1.70%
equipment 1.67%
security 1.60%
casualty 1.45%
fire 1.41%
blanket 0.08%
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