diff --git a/secret_tunnel_network/opf.myco b/secret_tunnel_network/opf.myco
new file mode 100644
index 0000000..23d5e78
--- /dev/null
+++ b/secret_tunnel_network/opf.myco
@@ -0,0 +1 @@
+The entrance in the omnifunctional OPF facility.
\ No newline at end of file