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A black sign with the inscription closed
Electrical safety sign on the boards
Crossing signs on the night road
Balloons are flying in the sunset sky , there is a sign on the ground banning the use of these balloons
A sign made of stones on the sand on the seashore at sunset
A red bird with a sign "welcome to desktop"
Biological threat sign on a black background
Bright black and yellow danger sign
Rusty metal radiation sign
Danger of toxic pollution sign
A sign of a biological epidemic on a yellow background
A large biohazard sign