.
./a
./a/foo2
./a/bar
./a/foo
./b
./b/bar
./b/foo
./2-col.txt
./中国 (Zhōngguó)
./中国 (Zhōngguó)/China's (中国) road.jpg
./中国 (Zhōngguó)/thumb_China's (中国) road.jpg
./1-col.txt