Why didn't she just...
...put a piece of paper on the table and write on it with a pen "our baby is in the village near the waterfall in that photo I sent you!" I mean, really, she could load a wardrobe with 30 or 40 items of clothing on coat-hangers, take a glass paperweight out of a box and unwrap it, draw wavy crosses in spilt soil and on dirty windows! In fact why cover the windows in wavy crosses? Why not just bloody write on the window???
Still it's a good film, even brought a tear to me eye.