qí gé fēi fáng xiàn
Siegfried Line, line of German military defenses during WWI and WWII
齐
qí
(name of states and dynasties at several different periods)
格
gé
square
菲
fēi
abbr. for the Philippines 菲律賓|菲律宾[Fei1 lu:4 bin1]
防
fáng
to protect
线
xiàn
variant of 線|线[xian4]