On Saturday morning, George planned a day in Prague. He wanted to visit the National Museum and later walk along the Vltava River. The weather was sunny, and the city looked beautiful. Trams were ringing, tourists were taking photos, and locals were drinking coffee outside small cafés. George decided to use public transport to enjoy the real Prague experience. Before leaving, he stopped at a small kiosk near his apartment to buy a 90-minute ticket. “Good morning,” George said. “One 90-minute ticket, please.” The seller gave him the ticket and smiled. “Don’t forget to validate it on the tram. They check a lot these days.” “Thank you. I will,” George said confidently. He put the ticket into his coat pocket and walked to the tram stop. At the stop, a group of tourists were studying a timetable, a mother helped…