London is Just about the most polluted metropolitan areas on the globe, and unfortunately, pollution has a serious impact on carpets. Fine particles from traffic fumes, smoke, dust and industrial emissions settle deep into the fibres, making carpets look uninteresting, cutting down their softness, and in many cases attracting dampness https://www.google.com/maps/d/edit?mid=11EhSHctBXpYLLM1LXIUrrxp8DEWl7ac&usp=sharing