diff --git a/post_process/.gitignore b/post_process/.gitignore
new file mode 100644
index 0000000..e2e7327
--- /dev/null
+++ b/post_process/.gitignore
@@ -0,0 +1 @@
+/out
diff --git a/post_process/animate/alpha_water.py b/post_process/animate/alpha_water.py
index 7ffb016..1953c4b 100644
--- a/post_process/animate/alpha_water.py
+++ b/post_process/animate/alpha_water.py
@@ -41,7 +41,8 @@ def animate(config_path):
       if item.is_dir() and re.match(r'^[0-9]+(\.[0-9]+)?$', item.name):
         t.append(item.name)
     
-    timesteps = pd.Series(t, dtype='string', name='t')
+    timesteps = pd.Series(t, dtype='string', name='t')\
+        .sort_values(key=np.float64)
     
     log.info('Reading mesh')
     fluidfoam_log = StringIO()
@@ -60,10 +61,15 @@ def animate(config_path):
     alpha_water['x'] = mesh[0]
     alpha_water['y'] = mesh[2]
     
-    bathy = pd.read_hdf(
-        config['bathy']['path'],
-        'bathy',
-    )
+    with pd.HDFStore(
+        config['data']['path'],
+        mode='r',
+    ) as hdf:
+        bathy = hdf.get('bathy')
+        rubble = hdf.get('rubble')
+        blocs = {}
+        for bloc in config['data']['blocs'].split(','):
+            blocs[bloc] = hdf.get(bloc)
     
     log.info('Starting plot')
     fig, ax = plt.subplots(figsize=(19.2,10.8), dpi=100)
@@ -76,6 +82,23 @@ def animate(config_path):
             color='k',
             zorder=10
         ),
+        ax.fill_between(
+            rubble.index,
+            rubble,
+            rubble.min(),
+            color='k',
+            alpha=.1,
+            lw=2,
+            zorder=11
+        ),
+        *[
+            ax.fill(
+                bloc.index,
+                bloc,
+                color='k',
+                zorder=12
+            ) for bloc in blocs.values()
+        ]
     ]
     
     log.info('Generating artists')
@@ -110,6 +133,6 @@ def animate(config_path):
         blit=True,
         repeat=True
     )
-    ani.save('anim.mp4')
+    ani.save(config['main']['out'])
     
     log.info('Program ended successfully')
diff --git a/post_process/config.ini b/post_process/config.ini
index a81ec51..be7d9c9 100644
--- a/post_process/config.ini
+++ b/post_process/config.ini
@@ -1,6 +1,8 @@
 [main]
 logging = INFO
 root = /home/masterccce/OpenFOAM/work/artha
+out = out/anim.mp4
 
-[bathy]
+[data]
 path = ../bathymetry/3_pd/data.hdf
+blocs = bloc0,bloc1