She was not distracted by things and the demands they pose (to clean them, dust them e.t.c.) and so, she enjoyed the nature around her.
This is in third person PoV (likely omniscient to be precise). This is known because the readers know almost every thought and emotion of each character.
Examples of this are provided throughout. Just find quotes about the character's thoughts/feelings. :)
Hey so the answer is the night before the trip