diff --git a/main.py b/main.py
index cb66fdf..0e7a66b 100644
--- a/main.py
+++ b/main.py
@@ -67,6 +67,8 @@ def verarbeite_feld(feld):
                 bellowr = feld2[(y+1)%feldy][(x+1)%feldx]
                 bellowl = feld2[(y+1)%feldy][(x-1)%feldx]
                 direction = random.choice([-1, 1])  # Zufällige Auswahl der Richtung
+                if bellow == "#":
+                    break
                 if bellow == " ":
                     feld2[y][x] = feld[(y+1)%feldy][x]
                     feld2[(y+1)%feldy][x] = feld[y][x]
@@ -94,12 +96,13 @@ screensize = pygame.display.get_window_size()
 clock = pygame.time.Clock()
 default_font = pygame.font.SysFont("sans", 14)
 feld,feldx,feldy = make_feld(20)
+feld[feldy-1][0] = "#"
 acolor = (255,0,0)
 wechselfarbe = "r"
 using_element = "a"
 pixelsize = 20
 
-display_mode = "durchfallen"
+#display_mode = "durchfallen"
 
 show_debug = False
 running = True
@@ -151,6 +154,7 @@ if __name__ == "__main__":
                 wechselfarbe = "r"
         acolor = r,g,b
         color_key = {" ":(0,0,0),
+                     "#":(100,100,100),
                      "a":acolor}
         draw_feld(feld,color_key,(pixelsize,pixelsize))
         mx,my = pygame.mouse.get_pos()