Section 1. Whoever erects a house or other building with windows overlooking the land of another shall not, by the mere continuance of such windows, acquire an easement of light or air so as to prevent the erection of a building on such land.
Structure Massachusetts General Laws
Part II - Real and Personal Property and Domestic Relations
Title I - Title to Real Property
Section 1 - Right to Light and Air
Section 2 - Easements by Prescription
Section 3 - Notice of Intention to Prevent Acquisition by Custom
Section 5 - Installation of Public Utility Services for Abutting Owners on Private Ways Authorized