Any and all walls, fencing, landscaping, or other screening installed by Declarant as part of the Work within a wall, fence, landscape, or sign easement on the Subdivision Map or Plat, will constitute an improvement to each Lot upon or along which it is situated and the Association shall be responsible for all costs of maintaining, repairing, and replacing both the exterior and interior portion situated on or along such Lot. No Owner of any Lot or Condominium Unit shall at any time have any right, authority, power or responsibility to maintain, repair, modify, paint, replant or in any other manner disturb or change the location or appearance of any such wall, fence, landscaping, sign or screening.