diff --git a/src/cities.json b/src/cities.json
new file mode 100644
index 0000000..ee463a2
--- /dev/null
+++ b/src/cities.json
@@ -0,0 +1,27 @@
+[
+  {
+    "name": "warsaw",
+    "latitude": 52.24,
+    "longitude": 21.02
+  },
+  {
+    "name": "berlin",
+    "latitude": 52.52,
+    "longitude": 13.40
+  },
+  {
+    "name": "chicago",
+    "latitude": 41.88,
+    "longitude": -87.62
+  },
+  {
+    "name": "vancouver",
+    "latitude": 49.25,
+    "longitude": -123.12
+  },
+  {
+    "name": "tokyo",
+    "latitude": 35.65,
+    "longitude": 139.84
+  }
+]
\ No newline at end of file
diff --git a/temporary_file.txt b/temporary_file.txt
new file mode 100644
index 0000000..e69de29