SECTION 10.3 Architectural Design and Environmental Control. No structure or improvement -- including but not limited to residences, accessory structures, landscaping, fences, walls, mounds, ponds, pools, satellite dishes, antenna, patios, basketball goals and other permanent structures for sports and recreation - - shall be erected, placed and altered on any Lot in this Subdivision until the building plans, specifications and plot plan showing the location, materials, and appearance of the planned improvement have been submitted to and approved by as the Architectural Design and Environmental Control Committee, regarding conformity and harmony of external design, topography, and finished ground elevations. The destruction of trees and vegetation and any other such matter as may affect the environment and ecology of this Subdivision shall also be approved in advance by the Committee.