Overuse of bullet-proof glass

The introduction of bullet-proof glass over valuable paintings in recent years has drawn fierce objection from art lovers and museum visitors, who say it interfered with the experience.

1. But for protective glass, many of the masterpieces in the Uffizi bombing would have been cut to pieces.

1. Prohibitive cost of safety equipment
2. Preoccupation with security structures

1. Prohibitive cost of business security

1. Art vandalism

1. Inadequate security system

1. Using bullet-proof glass

1. Abuse