I found these photos at : https://www.flickr.com/photos/118970572@N02/
I spent my morning to look for these images coz I got a feeling that you didn't take these pictures. You know how I did it? These images that you posted, there are watermark of the real photographer in it if you look closely.
my friend allowed use to pictures to this post
who's your friend?
Mr Vu Dinh Duc
contact: https://www.facebook.com/duchalong