Add Image. Exotic Materials are the strange and unusual elements produced by science, nature, or some strange alien force. Such materials could be alloys, isotopes, chemicals, and such.
A hostel is a building that is used to provide accommodation facilities to visitors. Hostels contain many rooms that contain several beds to provide sleeping facilities to several people. Generally hostels have common bathrooms in a floor, and some hostels also have kitchen facilities to provide food to the inmates.
Difference Between Cave and Cavern. Cave and cavern are often used interchangeably but in reality, they do not mean the same thing. A cavern is a special type of cave. A cave is defined as a hollow in the earth that has an opening into a hill or a mountain. The opening of a cave can be either horizontal or vertical.