On April 4, the 33rd "History Readings for College Students" seminar was held in Youngam Hall. This lecture was given by Professor Jung Chul-woong, a Chinese history scholar from Myongji University. His lecture concerned climate change throughout human history. He said the lecture's purpose was not to explain human history, but to consider natural history and draw an outline of climatic change. He said, "This subject is not easy to describe in depth even for people who major in these kinds of fields." He also mentioned that he wanted people to be concerned about this subject.