PROPOSAL 1
For the records of the feces of birds, will effectively record the gathering of birds.
We will record one day in a block of data, their density has been marked in our door coordinate system.
PROPOSAL 2
For the tourist attractions of the self-timer record, will be a good view of the scenic spots.
We will record one day in a scenic spot data, record the location and angle of the self-timer. And record them in line with our system.