The news of the contamination of one of the main lakes in the city of Oruro, Bolivia, was released through different media. Faced with this need for a health alarm, several young people, Pathfinders a…… Source: http://feedproxy.google.com/~r/ann-en/~3/aiqdULw3xJ0/adventist-youth-clean-up-trash-at-lake-uru-uru-bolivia