message: changed the image link.
diff: },
  "cell_type": "code",
  "source": [
  - "image_url = 'https://tensorflow.org/images/imcap_prediction.png'\n",
  + "image_url = 'https://tensorflow.org/images/surf.jpg'\n",
  "image_extension = image_url[-4:]\n",
  "image_path = tf.keras.utils.get_file('image'+image_extension, \n",
  " origin=image_url)\n",
  