But more nature lovers are now exploring the toucan- and butterfly-filled Green Corridor that has long been overshadowed by the falls.

WSJ: Bird Watching in Misiones Province, Argentina

For several years now cemeteries, like parks, have been viewed by conservationists with an affirmative nod in light of the green corridor component.

FORBES: The Burial Industry Takes A Turn To Eco-Friendliness

Down by the rushing stream, banks of wild yellow irises shimmered in the twilight, and up in the vaulted corridor that the tracks cut through the trees, the mild June air was filled with twinkling green fireflies.

NPR: Excerpt: 'World Made By Hand'