For example , when a person is traveling on the Kwun Tong Line towards Tiu Keng Leng , getting off at Yau Tong would allow him to change trains across the platform for the Tseung Kwan O Line towards North Point . For example , when passengers are traveling on the Kwun Tong Line towards Tiu Keng Leng , getting off at Yau Tong would allow them to switch trains across the platform for the Tseung Kwan O Line towards North Point .