大象传媒

For years, there was a man-made cranberry bog in the Massachusetts town of Plymouth that was eerily quiet. The birds and insects had all gone because of pesticides. Now after a multi-million dollar restoration project, Daniel Gross reports that wildlife is slowly coming back.

(Image: Alex Hackman and Glorianna Davenport stand in front of the restored marshlands in Plymouth, Massachusetts. Credit: PRI鈥檚 The World)