This is a entrenched fortification in anti-France resistance war in A1 hill in Dien Bien Phu. You can see the bomb crater and a part of shelters and trenches.
These are raindrops which were lighted by electric light. I saw they are very interting so i shot them.
WordPress page was sometime blocked in my country. As a result, i can’t access. i foud out the way to crack it in some forum but my computer sometime note:”Try again”. ;((