végétation (1) spectacle (1) papier (1) mode de vie (1) plomb (1) analyse (1) effet (1) distribution (1) âge (1) Displacement (1) Context (1) Construction (1) Variation (1) Buildings (1) Census (1) Census (1) Social stratification (1) Forest canopies (1) Programs (1) Variations (1) Trees in cities (1) Streets (1) Socio-economic status (1) Social status (1) Plants (1) Percentage (1) Paper (1) Manufacturers' agents (1) Lead (1) Households (1)