Exterior storage areas, including animal storage areas, and vehicle and trailer storage, shall be fenced and screened from adjacent property and public rights-of-way. Fencing shall be sufficient to provide adequate screening and contain animals securely on the owner's property at all times. Based on site-specific conditions, including topography adjacent structures, and roadways, reasonable efforts shall be made to minimize visual impacts by preserving and/or enhancing natural vegetation, and providing landscape screening to abutting properties and roads.