''off they went to look for him in the forest, and there atop a tall bael tree was their friend, sitting tight.'' what does 'there' refers to?

Which statements describe postapocalyptic fiction? check all that apply. it considers humanity and survival. it shows the results of a disastrous event. it focuses on laws and theories of science. it occurs after the end of one world or society. it highlights the role of technology on humanity. it investigates the impact that historical disasters had on people.