I saw my sister's daughter that have passed away recently in an unknown place and she was dressed nicely. She came over to me and hugged and kissed me, while her mother is standing in the distance watching us, and I thought to myself that her mother would be so happy she was back to life
This dream could be a manifestation of your longing to reconnect with your niece who has passed away. Seeing her dressed nicely may represent her being in a peaceful and happy place in the afterlife. The fact that she hugs and kisses you could symbolize her love and affection for you. It's also significant that her mother is standing in the distance, possibly indicating her continued grief and longing for her daughter. Your thought about her mother being happy could be a reflection of your subconscious desire for her to find some form of solace or closure in the wake of this tragic loss. Overall, this dream may represent your desire for healing, closure, and a sense of connection with your deceased niece.