C42 Blue Sea Blue Sky

At five o'clock the next morning, the two of them finally got out of bed. They put on their coats and headed for a small hill on the island, where they could watch the sunrise.

After half an hour, Tsinghua University managed to climb to the top of the mountain, where they chose a spot facing the east, waiting for the sunrise. At this time, the wind blew in, and after half an hour