Arkesden, Essex . Man mowing the lawn wearing a gas mask as a precaution against Saharan Dust pollution Stock Photo - Alamy

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Man wearing respirator gas mask hi-res stock photography and images - Alamy

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Man wearing a respirator mask hi-res stock photography and images - Page 6 - Alamy

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Arkesden, Essex . Man mowing the lawn wearing a gas mask as a precaution against Saharan Dust pollution Stock Photo - Alamy