Notwithstanding anything herein contained, partitioning and/or additional air-conditioning not provided by the Landlord thereof may be done and maintained by the Tenant at his own expense, PROVIDED that previous consent in writing of the Landlord shall have been given in respect of specifications, plans and drawing or systems and installation method of the required partitioning and/or air-conditioning. Such consent shall not be unreasonably withheld by the Landlord. If at the expiration or termination of this Agreement no agreement to the contrary is made, restoration of the premise to the original condition shall be made in accordance with Clause Eight (8) hereof