Complex sentence: Later, Bonnie finds a peaceful Zygon disguised as a human, and causes his body to revert to its Zygon nature in front of a shopping mall south of London, using Clara's cell phone to record and upload the footage.
Split into simpler sentences: Later, Bonnie finds a peaceful Zygon disguised as a human, and causes his body to revert to its Zygon nature in front of a shopping mall south of London. She uses Clara's cell phone to record and upload the footage.