unterirdisch
souterrain sous terre
underground beneath the ground
subterrâneo debaixo de terra
op der Maartplaz gëtt en neien ënnerierdesche Parking gebaut
https://lod.lu/uploads/examples/OGG/3b/3b2407ca6bfd7cd4b72f1c163550f5ba.ogg
https://lod.lu/uploads/examples/AAC/3b/3b2407ca6bfd7cd4b72f1c163550f5ba.m4a
d' Post 1 léisst all hir Leitungen ënnerierdesch verleeën
https://lod.lu/uploads/examples/OGG/b4/b46fc196df394ce5cebb86ecfe315c12.ogg
https://lod.lu/uploads/examples/AAC/b4/b46fc196df394ce5cebb86ecfe315c12.m4a