An alarming view has come to light in New Delhi as the Yamuna River is covered with a thick layer of white foam. This phenomenon, particularly prominent during the festive season, has raised concerns about its possible health consequences as celebrations like Chhath Puja approach. Read on to know the details.An alarming view has come to light in New Delhi as the Yamuna River is covered with a thick layer of white foam. This phenomenon, particularly prominent during the festive season, has raised concerns about its possible health consequences as celebrations like Chhath Puja approach. Read on to know the details.