Huawei P9 Lite - Manual (Page 114)

Camera and Gallery
107
Tail light trails
In Light Painting mode, select Tail light trails to capture the trails of light made by cars
at night.
1 Select a suitable location and hold your phone steady. Use a tripod for long exposures.
Shoot from a distance for the best results. Avoid pointing the camera at car
headlights to prevent parts of the image from becoming overexposed.
2
Open Camera, swipe right on the screen, and then touch Light painting > Tail
light trails.
3 Touch to start the exposure. The exposure time is displayed at the bottom of the
screen.
4
A preview of the image is displayed in the viewfinder. When the desired exposure time
has elapsed, touch to end the exposure.