Drones help Galapagos tackle rat infestation January 31, 2019 at 05:26AMhttps://https://bbc.in/2HKfXth Tonnes of poison was laid down by drones in a project to get rid of the invasive species.

Tonnes of poison was laid down by drones in a project to get rid of the invasive species.

from BBC News - World https://bbc.in/2CXz8KE