Show Forest Forett Air Pure Forest-air Forest Is pure because the leaves of the trees act as ns a filter catching most of the dust and hac- hac bacteria teria terla that would otherwise pollute It Moreover a n forest has hns a definite hygienic Influence on the land around It t a n fact that has been confirmed by a number of villages In India which have never been attacked during durin cholera epidemics In their district due to their being surrounded by Lv dense protecting woods v Colliers Collier's Colliers Collier's Weekly |