The order is as follows: 1) upload to the site spherical panoramas from which you plan to create a virtual tour; 2) from the list of uploaded panoramas add each panorama to the virtual tour (Add to 3D tour link); 3) open the created virtual tour, edit the panorama order, select the main panorama, set transition points (tunnels).
A town square is an open public space commonly found in the heart of a traditional town used for community gatherings.
A quadcopter or quadrotor is a type of helicopter with four rotors. The small size and low inertia of drones allow the use of a particularly simple flight control system, which has greatly increased the practicality of the small quadrotor.