In Dubai, drones are used for many purposes such as putting out fires in high-rise buildings, monitoring traffic, and delivering essential items, among others. Now, they are also being deployed to clean Dubai Metro and Tram stations.The Roads and Transport Authority (RTA) and Keolis MHI (the operator and maintainer of Dubai Metro and operator Dubai Tram) announced on Tuesday an initiative deploying drones to clean the facades of Dubai metro and tram stations. “This is part of (our) commitment to exploring future-ready solutions that enhance safety, optimise resources, and support environmental goals,” RTA said in a statement.