Does the possessor of land have a duty of reasonable care over the condition of the land?

Moreover, the possessor's control and supervisory power over the land has been expressly relied upon by some courts in imposing a duty of reasonable care with regard to a natural condition of the land. Husovsky v. United States, supra, 590 F.2d 944, involved a motorist's suit for injuries he sustained when a poplar tree fell on his automobile while he was driving through a public park. Although India, not the United States, owned the tract of land upon which the tree stood, a federal agency serviced and maintained the tract as well as the surrounding parkland.