image upload question - IOS reservation Gallary of Hotel pictures

[regi168]

Dear fridends:

Could somebody know when upload pictures of hotel , how can we make last pictures we uploaded to be display in first order?

My problem is after I upload it, it show up in the last.   Even I delete all pictures to upload again, still the same results.

What is the rules of images show up? it seems not by the name or English alphabet.

Could somebody solve this question??  Thanks !!