My Story: My tutor's sister have the ability to see those things. It is also known as the third eye.
At the first month of the hungry ghost festival, while she was walking with her mother, she saw an old lady praying with joss sticks and candles. However, the girl saw a uncle who is eating the candles and joss sticks smile to her. Then, she ask her mum:Mum, how come there's a uncle eating candles?