The University of Washington had one of its buildings on its Seattle campus overrun with protesters Monday night.

This comes a year after students built encampments on the campus in support of the Palestinians in Gaza. While those encampments have long been cleared out, the protesters’ latest campaign targeted the university’s endowment from the aerospace company Boeing. The campaign began in February and is centered on the Interdisciplinary Engineering Building, which benefited from Boeing’s $10 million donation.