#​’s Property. All Alterations, improvements (including ​ Improvements), fixtures, equipment and/or appurtenances which may be installed or placed in or about the Premises, from time to time, shall be at the sole cost of ​ and shall be and become the property of ​, except that # ​ may remove any Alterations, improvements, fixtures and/or equipment which ​ can substantiate to ​ have not been paid for with any ​ Improvement Allowance funds provided to ​ by ​, # prior to the expiration or earlier termination of this Lease, ​ shall remove any Alterations that ​ notified ​ must be removed at the time ​ approved such Alterations pursuant to Section 8.1, provided, however, that ​ may only be entitled to require that ​ remove Specialty Alterations (defined below) and # prior to the expiration or earlier termination of this Lease, ​ shall remove any Specialty Alterations that did not require ​’s approval pursuant to Section 8.1; provided, in each of cases # - # ​ repairs any damage to the Premises and Building caused by such removal and returns the affected portion of the Premises to their condition existing prior to the installation of such Alterations, improvements (including ​ Improvements), fixtures and/or equipment. ​ hereby protects, defends, indemnifies and holds ​ harmless from any liability, cost, obligation, expense or claim of lien in any manner relating to the installation, placement, removal or financing of any such Alterations, improvements, fixtures and/or equipment in, on or about the Premises, which obligations of ​ shall survive the expiration or earlier termination of this Lease. As used herein, a “Specialty Alteration” is any Alteration that is not a normal and customary general office improvement, including, but not limited to improvements which # perforate, penetrate or require reinforcement of a floor slab (including, without limitation high-density filing or racking systems), # consist of the installation of a raised flooring system, # consist of the installation of a vault or other similar device or system intended to secure the Premises or a portion thereof in a manner that exceeds the level of security necessary for ordinary office space, # involve material plumbing, mechanical, or electrical connections (such as, for example but not by way of limitation, cooking kitchens, any saunas, showers, and executive bathrooms outside of the Building core and/or special fire safety systems), # consist of the dedication of any material portion of the Office Space to non-office usage, or # can be seen from outside the Building. For avoidance of doubt, an open ceiling will not be considered a Specialty Alteration.