góp ảnh ạ :)
https://farm2.staticflickr.com/1494/26758157046_53cb0ba5ae_c.jpgDSCF1210 by Trung Dũng Nguyễn, trên Flickr
https://farm2.staticflickr.com/1509/26147197223_2e58854eb3_c.jpgDSCF1163-2 by...