"No improvements, alterations, repairs, excavations, landscaping or other work, including exterior paint, which in any way alters the exterior appearance of any property or the Improvements located thereon, from its natural or improved state existing on the date such property was first conveyed in fee by a Builder to a Purchaser, shall be made or done without the prior approval of the Architectural Committee except as otherwise expressly provided in this Declaration. No building, fence, wall, landscaping, residence, or other structure shall be commenced, erected, maintained, improved, altered, made or done without the prior written approval of the committee."