Saluman decides to live in the tower in his plot of land but realises that there are lots of eagles flying ahead daily from the nearby zoo. The eagles screech loudly as they pass ahead. Separately, there is also a lot of construction work going on nearby from a company Orks Incorporated. Orks Incorporated intend to dig underneath Saluman's land as they believe there is gold there. Advise Saluman as to his rights against these incursions to his land, with reference to relevant case authorities