diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
index d263c25d6dec87b637d2f4f5890df1aebf762288..650553fe2530dac101e8a9c2f00b3a969f9c99ea 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
@@ -8,6 +8,10 @@ from experiment.meteo_france_data.visualization.study_visualization.study_visual
 from experiment.trend_analysis.univariate_test.abstract_univariate_test import AbstractUnivariateTest
 from utils import get_display_name_from_object_type
 
+ALTITUDES_XLABEL = 'altitudes'
+
+STARTING_YEARS_XLABEL = 'starting years'
+
 
 class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
 
@@ -86,14 +90,18 @@ class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
             if ax_idx == 0:
                 # Global information
                 ax.set_ylabel(self.get_title_plot(xlabel, ax_idx=0))
-                ax.set_yticks(list(range(0, 101, 10)))
+                if xlabel != STARTING_YEARS_XLABEL:
+                    ax.set_yticks(list(range(0, 101, 10)))
             else:
                 ax.set_ylabel(self.get_title_plot(xlabel, ax_idx=ax_idx))
 
             # Common function functions
+            if xlabel == STARTING_YEARS_XLABEL:
+                ax.set_xticks(xlabel_values[::3])
+            else:
+                ax.set_xticks(xlabel_values)
             ax.set_xlabel(xlabel)
             ax.grid()
-            ax.set_xticks(xlabel_values)
             ax.legend()
 
         title = 'Evolution of {} trends (significative or not) wrt to the {} with {}'.format(subtitle, xlabel,
@@ -135,14 +143,15 @@ class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
     def massif_index_level(self):
         return 1
 
-    def visualize_year_trend_test(self, axes=None, marker='o', add_detailed_plots=False):
-        def year_reduction(df, **kwargs):
-            # Take the mean with respect to all the first axis indices
-            return df.mean(axis=0)
+    @staticmethod
+    def year_reduction(df, **kwargs):
+        # Take the mean with respect to all the first axis indices
+        return df.mean(axis=0)
 
-        for subtitle, reduction_function in self.subtitle_to_reduction_function(year_reduction,
+    def visualize_year_trend_test(self, axes=None, marker='o', add_detailed_plots=False):
+        for subtitle, reduction_function in self.subtitle_to_reduction_function(self.year_reduction,
                                                                                 add_detailed_plot=add_detailed_plots).items():
-            self.visualize_trend_test_evolution(reduction_function=reduction_function, xlabel='starting years',
+            self.visualize_trend_test_evolution(reduction_function=reduction_function, xlabel=STARTING_YEARS_XLABEL,
                                                 xlabel_values=self.starting_years, axes=axes, marker=marker,
                                                 subtitle=subtitle)
 
@@ -157,7 +166,7 @@ class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
         for subtitle, reduction_function in self.subtitle_to_reduction_function(self.index_reduction,
                                                                                 level=self.altitude_index_level,
                                                                                 add_detailed_plot=add_detailed_plots).items():
-            self.visualize_trend_test_evolution(reduction_function=reduction_function, xlabel='altitudes',
+            self.visualize_trend_test_evolution(reduction_function=reduction_function, xlabel=ALTITUDES_XLABEL,
                                                 xlabel_values=self.altitudes, axes=axes, marker=marker,
                                                 subtitle=subtitle)
 
diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py
index 3f092f83b4445e8a68e2c767b6e838c5dc0b271c..3009fd26cd76c9c1cebeeb6f0c858279f61bc03f 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py
@@ -17,7 +17,7 @@ class Altitude_Hypercube_Year_Visualizer(AltitudeHypercubeVisualizer):
 
     @staticmethod
     def index_reduction(df, level, **kwargs):
-        replace_zero_with_nan = kwargs.get('replace_zero_with_nan')
+        replace_zero_with_nan = kwargs.get('year_visualization') is not None
         # Take the sum with respect to the years, replace any missing data with np.nan
         if replace_zero_with_nan:
             df = df.sum(axis=1).replace(0.0, np.nan)
@@ -32,6 +32,6 @@ class Altitude_Hypercube_Year_Visualizer(AltitudeHypercubeVisualizer):
         df = df_bool.copy()
         df = (df * df.columns)[df_bool]
         # Reduce and append
-        serie = reduction_function(df, replace_zero_with_nan=True)
+        serie = reduction_function(df, year_visualization=True)
         series.append(serie)
         return series, df_bool
diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py b/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
index 1437e9a47e365e4302847e3400f2ad4dc01f9654..57500696093b72f373a5aa589677212a54a06ef4 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
@@ -87,8 +87,8 @@ def fast_altitude_year_hypercube():
             visualizer = Altitude_Hypercube_Year_Visualizer(altitude_to_visualizer, save_to_file=save_to_file,
                                                             trend_test_class=trend_test_class, nb_data_reduced_for_speed=nb_data_reduced_for_speed)
             visualizer.visualize_year_trend_test()
-            visualizer.visualize_massif_trend_test()
-            visualizer.visualize_altitude_trend_test()
+            # visualizer.visualize_altitude_trend_test()
+            # visualizer.visualize_massif_trend_test()
 
 
 def full_altitude_year_hypercube():
@@ -134,8 +134,8 @@ def fast_quantity_altitude_hypercube():
 
 def main_run():
     # fast_altitude_hypercube()
-    fast_altitude_year_hypercube()
-    # full_altitude_year_hypercube()
+    # fast_altitude_year_hypercube()
+    full_altitude_year_hypercube()
     # fast_quantity_altitude_hypercube()
     # full_quantity_altitude_hypercube()