A vehicle cabin comprising a vehicle cabin airflow forming device (40; 60; 70; 80; 90; 110), the vehicle cabin airflow forming device (40; 60; 70; 80; 90; 110) comprising an airflow forming unit configured to, when the vehicle cabin airflow forming device is operated, form airflows circulating around seating space (S1; S3; S4; S5) of one of a plurality of seats (34; 38; 74; 76) provided in the vehicle cabin and aligned in the vehicle lateral direction, the seats being provided inside the vehicle cabin, the airflows circulating around the seating space (S1; S3; S4; S5) as viewed from a front side of the one seat (34; 38; 74; 76), and form, as part of the airflows, an ascending airflow on one lateral side of the seating space (S1; S3; S4; S5), and a descending airflow on the other lateral side of the seating space (S1; S3; S4; S5); wherein the airflow forming unit includes an airflow generating unit in a flow path of the airflows, the airflow generating unit being configured to generate airflows by sucking air in the flow path and blowing the air into the flow path; wherein the airflow generating unit includes a first airflow generating unit and a second airflow generating unit, and the first airflow generating unit includes: an upper suction port that is provided on a vehicle ceiling side and into which air forming the ascending airflow is sucked; an upper blowing port that is provided on the vehicle ceiling side and from which air forming the descending airflow is blown out; and an upper blower configured to suck air in the vehicle cabin from the upper suction port and blow out the air from the upper blowing port into the vehicle cabin, and the second airflow generating unit includes: a lower suction port provided on a vehicle floor side and into which air forming the descending airflow is sucked; a lower blowing port (58A; 58B) provided on one lateral side of the seating space (S1; S3; S4; S5) and from which air forming the ascending airflow is blown out; and a lower blower configured to suck air in the vehicle cabin from the lower suction port and blow out the air from the lower blowing port (58A; 58B) into the vehicle cabin; characterised in the lower blowing port (58A; 58B) is positioned between two seats of the plurality of seats in the vehicle cabin in the lateral direction. form airflows circulating around seating space (S1; S3; S4; S5) of one of a plurality of seats (34; 38; 74; 76) provided in the vehicle cabin and aligned in the vehicle lateral direction, the seats being provided inside the vehicle cabin, the airflows circulating around the seating space (S1; S3; S4; S5) as viewed from a front side of the one seat (34; 38; 74; 76), and form, as part of the airflows, an ascending airflow on one lateral side of the seating space (S1; S3; S4; S5), and a descending airflow on the other lateral side of the seating space (S1; S3; S4; S5); an upper suction port that is provided on a vehicle ceiling side and into which air forming the ascending airflow is sucked; an upper blowing port that is provided on the vehicle ceiling side and from which air forming the descending airflow is blown out; and an upper blower configured to suck air in the vehicle cabin from the upper suction port and blow out the air from the upper blowing port into the vehicle cabin, and a lower suction port provided on a vehicle floor side and into which air forming the descending airflow is sucked; a lower blowing port (58A; 58B) provided on one lateral side of the seating space (S1; S3; S4; S5) and from which air forming the ascending airflow is blown out; and a lower blower configured to suck air in the vehicle cabin from the lower suction port and blow out the air from the lower blowing port (58A; 58B) into the vehicle cabin; characterised in the lower blowing port (58A; 58B) is positioned between two seats of the plurality of seats in the vehicle cabin in the lateral direction.