Huawei P20 User Manual page 69

Use Silky Water to Capture Rivers and Waterfalls
Silky water lets you capture silky smooth photographs of waterfalls and rivers.
For better results, find a stream or waterfall with lots of water.
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Place your device on a tripod or solid surface so that it does not move during the exposure.
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1
Open , and go to Camera > More > Light painting > Silky water.
2
Hold your Phone steady, and then touch
3
A preview of the image is displayed in the viewfinder. Touch
to start shooting.
when you are finished.
Camera
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