Huawei P9 - Manual (Page 8)

Camera
Touch .
Frame the scene you want to
capture. Let your camera
focus automatically or touch
the screen to focus on a
specific object. Then touch
to take a photo.
Swipe left or right to switch
between different capture
modes.
Light painting mode uses long
exposure times to capture
illuminated objects in a dark
background. Time-lapse
mode lets you record the slow
transformation of objects or
scenes, such as a blooming
flower or the setting sun.