CCTV news: Today is the summer solstice, and it is also the day with the longest day and the shortest night of the year in the northern hemisphere. This phenomenon of "long days and short nights" is the most obvious in the Mohe River of Heilongjiang, the northernmost part of China, with a day time of about 21 hours.

On this day of the summer solstice, the sun directly hits the Tropic of Cancer, at this time the day in the northern hemisphere is the longest of the year, with the passage of latitude, the farther north the day is, the longer the day, the Heilongjiang Mohe is located in the northernmost part of China, the summer solstice this day day long night short phenomenon is extremely obvious, the day time can last for 21 hours. And because sunlight is scattered, the sky remains bright before and after the sun rises and sets, which is the wonder of the "white night" at high latitudes.
Guangdong Zhanjiang tourist Pan Songhua: We rushed to the summer solstice special to come here by car tour, early in the morning we did not pull the curtains, we felt that two or three o'clock the day was bright, there was no alarm clock we were woken up.