Formation of river landforms
Why does the shoreline of the Yangtze River at Zhenjiang keep shifting northwards?
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GEOGRAPHY · 7 EXPLORATION STEPS
Formation and identification of karst landforms
Xu Xiake described sharp, isolated peaks rising in rows. How did these develop from a layer of rock?
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▶ Open 3D simulationYOUR EXPLORATION
One step, one new insight.
- 01
Dissolution
- 02
Grooves → depressions
- 03
Peak clusters → peak forests
- 04
Isolated peaks → residual hills
- 05
Fast and slow
- 06
Caves
- 07
Challenge
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Apparent motion of the Sun, seasons and climate zones
Why do the Sun's altitude and direction at noon change systematically throughout the year?
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Ocean currents: distribution and effects
Why did tens of thousands of toy ducks lost at sea drift to coastlines around the world?
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