9. The Lessee may make alterations and improvements to the Leased Premises only with the prior written consent of the Lessor. At the end of the term of this Agreement all such alterations or improvements shall become the property of the Lessor; provided that if the Lessor notifies the Lessee that it does not want some or all of the alterations or improvements, the Lessee shall at its own expense remove such alterations or improvements and restore the Leased Premises to its original condition