save energy For a sustainable world, there are people standing next to it, there are electric cars, there are electric trains, there are turbines to save energy, there are solar cells.
save energy For a sustainable world, there are people standing next to it, there are electric cars, there are electric trains, there are turbines to save energy, there are solar cells.
save energy For a sustainable world, there are people standing next to it, there are electric cars, there are electric trains, there are turbines to save energy, there are solar cells.
an illustration of people and a bus
an illustration of a train traveling through a city
an illustration of a train and wind turbines
an illustration of a train next to wind turbines