Th9 Anty lavaloon High-bridge base is designed to protect against lavaloon attack. all the air defense tower are kept inside the wall and in the center, except Archer tower
This will help to survive a long time for these towers. the wall is designed in such a way the ground army could not rich townhall easily.
this base not only for lavaloon defense, but its also help for many more purpose. you can use this base layout for trophy aswell as war also.
You can watch video Here