This creates a sense of excitement in the characters. If they had stayed at home, Sarbajaya would most likely have made them stay inside and it would have been equally exciting. Opening the with a shot of the water to begin with, it doesn't seem out of place to the audience that the two are running here, making it natural for the audience to believe that they would run there it's also ironic that Ray chose the water Not only did he have his characters run towards a body of water, but also made it rain. Water is typically a symbol of life and new life, Durga will die from being out in the rain. Rain, which is supposed to purify and give life, is that which ultimately kills the young people