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Bicycle trafficDuring the latter half of 20th century to provide cars more space the bicycle traffic is prohibited in many cities. Entering the 21st century many countries especially the European coun
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Green Life 2011115How to make greenandfriendly environmente ture Green Home (living) Green clothesHealth risks of clothes washingConcerned about contaminants in clothingHealth risks from second-h
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Green grass blue sky red flower white clouds Green grass blue sky red flower white clouds Im a little little lamb I like the green green green grass I like the blue blue blue sky I love the white whit
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Green City ConstructionIn recent years the construction of greeneco-city has be the trend of urban constructionThe concept of ecological civilization has begun to integrate urban development promo
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