Ключевые слова: action, active, asia, asian, bicycle, bicyclist, bike, biker, casual, chinese, corona, coronavirus, covid19, cycling, cyclist, disease, elderly, enjoyment, environment, exercise, face mask, facial mask, fitness, forest, green, grey hair, health, helmet, japanese, lifestyle, male, man, mask, mature, nature, old, older, outdoor, park, people, recreation, retire, retirement, ride, rider, senior, speed, sport, summer, tree,