Patriarch Bartholomew, the senior bishop of the Orthodox Church, led his impressively robed guests in a silent supplication for the planet.

ECONOMIST: Religious groups and scientists team up

It started with Rachel Carson's popular 1962 book on the dangers of pesticides, "Silent Spring, " and the eye on the planet increased with a photo of the Earth taken from Apollo 8 as it orbited near the moon in 1968.

CNN: STORY HIGHLIGHTS

The article 'The Recoleta Cemetery: silent theatre and city of the dead' was published in partnership with Lonely Planet.

BBC: The Recoleta Cemetery: Silent theatre and city of the dead