The company began buying up houses in the city, but about 100 residents refused to sell and, supported by environmentalists, architects, archeologists and lawyers, they have been battling the corporation and the state in courts. The main concerns of the opponents are related to environmental dangers of cyanide leaching of gold (as Romania witnessed the 2000 Baia Mare cyanide spill), as well as the destruction of the ancient Roman sites in Roșia Montană.