WEATHER BALLOON,HUMAN,EQUIPMENT,OUTSIDE,FMI-ARC,ARCTIC,SODANKYLA,LAPLAND,FINLAND,EUROPE,LAUNCHING,RELEASING,METEOROLOGY,ATMOSPHERIC POLLUTION,ENVIRONMENT,CLIMATOLOGY,SCIENTIST,RESEARCHER,METEOROLOGIST,ADULT,30S,THIRTIES,MAN,MALE,EUROPEAN,CAUCASIAN,WHITE,ONE,SINGLE,PORTRAIT,CLIMATOLOGICAL,TECHNOLOGICAL,RESEARCH,FINNISH,HELIUM,AIR POLLUTION,ENVIRONMENTAL,OZONE LAYER,ATMOSPHERE,ATMOSPHERIC,NATURE,VERTICAL,CLIMATE CHANGE,METEOROLOGICAL,WEATHER,POLAR,HOLE,INSTITUTE,CENTRE,OUTDOORS,EXPERIMENT,PROBE,SENSOR,OZONESONDE,LAUNCH,OZONE-SONDE,OZONE,SONDE,"