diff --git a/.gitignore b/.gitignore
index cd1f2c9439..3398763c1c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.mo
+/_build/
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..f5517ef7c9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,5 @@
+[submodule "cpython"]
+	path = cpython
+	url = https://github.com/python/cpython.git
+	branch = 3.7
+	shallow = true
diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000000..f333eb794b
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,19 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: conf.py
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.7
+  install:
+    - requirements: requirements.txt
+
+submodules:
+  include: all
diff --git a/conf.py b/conf.py
new file mode 100644
index 0000000000..b5edfd203d
--- /dev/null
+++ b/conf.py
@@ -0,0 +1,42 @@
+# Sphinx configuration file.
+#
+#  - import original configurations from cpython/Doc/conf.py
+#  - append the path considering the cpython submodule is at ./cpython
+#  - create the symbolic links under ./cpython/locale/es/LC_MESSAGES
+#  - make the build to work under Read the Docs
+#
+# The git submodule was created using this Stack Overflow answer
+# to fetch only the commit that I needed and avoid clonning the whole history
+# https://stackoverflow.com/a/27445058
+#
+# This can be built locally using `sphinx-build` by running
+#
+#   $ sphinx-build -b html -n -d _build/doctrees -D language=es . _build/html
+
+import sys, os, time
+sys.path.append(os.path.abspath('cpython/Doc/tools/extensions'))
+sys.path.append(os.path.abspath('cpython/Doc/includes'))
+
+# Import all the Sphinx settings from cpython
+sys.path.append(os.path.abspath('cpython/Doc'))
+from conf import *
+
+version = '3.7'
+release = '3.7.7'
+
+project = 'Python en Español'
+copyright = '2001-%s, Python Software Foundation' % time.strftime('%Y')
+
+html_theme_path = ['cpython/Doc/tools']
+templates_path = ['cpython/Doc/tools/templates']
+html_static_path = ['cpython/Doc/tools/static']
+
+os.system('mkdir -p cpython/locales/es/')
+os.system('ln -nfs `pwd` cpython/locales/es/LC_MESSAGES')
+
+gettext_compact = False
+locale_dirs = ['../locales', 'cpython/locales']  # relative to the sourcedir
+
+def setup(app):
+    # Change the sourcedir programmatically because Read the Docs always call it with `.`
+    app.srcdir = 'cpython/Doc'
diff --git a/cpython b/cpython
new file mode 160000
index 0000000000..48ef06b626
--- /dev/null
+++ b/cpython
@@ -0,0 +1 @@
+Subproject commit 48ef06b62682c19b7860dcf5d9d610e589a49840
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000..7cec904a1c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+Sphinx==2.2.0
+setuptools
+blurb
+python-docs-theme