China's Top Attractions: A Complete Guide

标题图片Xiazhi (夏至) is one of the 24 Solar Terms. It reflects the changing of seasons. In the Northern Hemisphere, Xiazhi is the day with the longest daytime and shortest nighttime, when the sun moves exactly over the Tropic of Cancer. (More)
Science learning starts in childhood
Science learning starts in childhood
It's so important to direct children's attention to multiple aspects of their immediate environment and show how they relate to fundamental principles of physics.

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