diff --git a/input/extra_photo_files/1ppmO2.photo b/input/extra_photo_files/1ppmO2.photo
new file mode 100644
index 0000000000000000000000000000000000000000..f4f538bd8aab334d649627cf7f8425aa0fc502d1
--- /dev/null
+++ b/input/extra_photo_files/1ppmO2.photo
@@ -0,0 +1,2 @@
+-4.14278e-15 -1.01012e-16
+-6.16399e-13 -3.74197e-15