Check Out These Pictures of International Borders

International borders can be very unique in different parts of the world.  Some borders are no more than just a sign, and some borders are protected by huge walls and armed guards.  It is amazing how many different ways nations mark their borders with their neighbors.  

1.  Volleyball match over the fence between Mexico and The USA

2.  Slovakia, Austria and Hungary

3. Norway and Sweden

4.  Netherlands and Belgium

5.  Note the difference in environmental protection laws in Haiti and The Dominican Republic

6.  Australia and everyone else

7.  Poland and Ukraine

8.  Spain and Portugal connected by a zipline

9.  USA and Mexico

10.  Argentina, Brazil and Paraguay

11.  China drives on the right, Macau drives on the left, so this is their solution.

12.  Bolivia and Brazil

13.  USA and Mexico

14.  Denmark and Sweden

15.  Sweden and Norway

h/t: Bored Panda