Helio da Silva,a retired business executive from Brazil,single⁃handedly planted over 41,000 trees in his hometown of Sao Paulo over the last two decades.Flying over the Brazilian metropolis of Sao Paulo,it's tough...Helio da Silva,a retired business executive from Brazil,single⁃handedly planted over 41,000 trees in his hometown of Sao Paulo over the last two decades.Flying over the Brazilian metropolis of Sao Paulo,it's tough to miss the 3.2-kilometer⁃long and 100⁃meter⁃wide green strip of trees wedged between two of the city's busiest roads.展开更多
文摘Helio da Silva,a retired business executive from Brazil,single⁃handedly planted over 41,000 trees in his hometown of Sao Paulo over the last two decades.Flying over the Brazilian metropolis of Sao Paulo,it's tough to miss the 3.2-kilometer⁃long and 100⁃meter⁃wide green strip of trees wedged between two of the city's busiest roads.
