Via BBC News
"Robot swans are taking to the waters of Singapore in order to test the quality of its reservoirs' drinking water, it's reported. According too an Asian news site, five fake birds are being set loose on reservoirs serving the city state to monitor water quality as part of the aptly named SWAN project (Smart Water Assessment Network).
They've been designed to look like real swans so that they'll blend in with their surroundings, the news website says. While gracefully drifting along on the surface, underneath is a system of propellers and water sampling equipment, and they use wireless technology to send real-time results to national water agency PUB."
Looking at the underwater picture it looks like fake news as well!