Display apparatus for expanding screen area and control method thereof

A display apparatus comprising:

• a display;
• a communication interface;
• memory configured to store instructions;
• and
• at least one processor operatively connected with the display, the communication interface, and the memory, and configured to execute the instructions,
• wherein the instructions, when executed by the at least one processor, cause the display apparatus to:
• display a first image on the display;
• identify a motion of an object included in the first image and a location of another display apparatus;
• obtain a second image including the object based on the identified motion and the location of the another display apparatus;
• and
• stream the second image to the another display apparatus.