Ключевые слова: airport, avoid, chair, concept, control, disease, distance, distancing, empty, empty chair, epidemic, flu, health, hospital, infected, keep distance, lifestyle, mask, new normal, outbreak, pandemic, passenger, preventive, protect, protection, public, quarantine, safety, seat, sign, sit, social, social distance, social distancing, space, spread, stadium, symbol, terminal, tourism, tourist, transport, transportation, travel, virus, waiting, warning,