A sensor wall placing Unmanned Aerial Vehicle (UAV) comprising: a UAV frame; a plurality of motors connected to the UAV frame and capable of lifting and maneuvering the sensor wall placing UAV ; a sensor casing , comprising at least one sensor and covered with adhesive; a mounting mechanism configured to detachably attach, via an interface , the sensor casing , during flight of the sensor wall placing UAV , the mounting mechanism being connected to a top part of the sensor wall placing UAV so that the mounting mechanism is facing upwards from the top part of the sensor wall placing UAV , and upon detachably attaching the sensor casing to the mounting mechanism , a face of the sensor casing faces away from the sensor wall placing UAV thereby enabling the sensor wall placing UAV to perform a maneuver that results in direct contact between the face of the sensor casing and a target wall ; and a controller configured to: fly, using the motors , the sensor wall placing UAV to a target spatial disposition with respect to the target wall on which the sensor is to be placed; upon reaching the target spatial disposition, perform a maneuver of the sensor wall placing UAV , so that the face of the sensor casing is in direct contact with the target wall ; and adhere the sensor casing to the target wall by activating the motors in a direction that generates a thrust of the sensor wall placing UAV towards the target wall for at least a given time period. a UAV frame; a plurality of motors connected to the UAV frame and capable of lifting and maneuvering the sensor wall placing UAV ; a sensor casing , comprising at least one sensor and covered with adhesive; a mounting mechanism configured to detachably attach, via an interface , the sensor casing , during flight of the sensor wall placing UAV , the mounting mechanism being connected to a top part of the sensor wall placing UAV so that the mounting mechanism is facing upwards from the top part of the sensor wall placing UAV , and upon detachably attaching the sensor casing to the mounting mechanism , a face of the sensor casing faces away from the sensor wall placing UAV thereby enabling the sensor wall placing UAV to perform a maneuver that results in direct contact between the face of the sensor casing and a target wall ; and a controller configured to: fly, using the motors , the sensor wall placing UAV to a target spatial disposition with respect to the target wall on which the sensor is to be placed; upon reaching the target spatial disposition, perform a maneuver of the sensor wall placing UAV , so that the face of the sensor casing is in direct contact with the target wall ; and adhere the sensor casing to the target wall by activating the motors in a direction that generates a thrust of the sensor wall placing UAV towards the target wall for at least a given time period. fly, using the motors , the sensor wall placing UAV to a target spatial disposition with respect to the target wall on which the sensor is to be placed; upon reaching the target spatial disposition, perform a maneuver of the sensor wall placing UAV , so that the face of the sensor casing is in direct contact with the target wall ; and adhere the sensor casing to the target wall by activating the motors in a direction that generates a thrust of the sensor wall placing UAV towards the target wall for at least a given time period. <EOS>