There are 2 surgical approaches in hernia repair surgery: the open and the laparoscopic one. An approach is called open, when the surgeon makes a single incision near the location of the hernia, dissects the surrounding tissues and repairs the hernia under direct vision.
In general, we call the largest areas of land on earth the continents of the earth.
Taiga is the world's largest land biome, and makes up 29% of the world's forest cover; the largest areas are located in Russia and Canada.