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2026 Hong Kong travel transport & dining guide: One Octopus Card covers MTR, Airport Express, buses, and ferries, plus convenience stores, restaurants, and drugstores. Complete tutorial: where to buy at the airport, how to top up, usage guide, and card return process — an essential guide for travelers exploring Hong Kong on their own.

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A complete walkthrough of the 2026 UK eTA (Electronic Travel Authorisation) application: covering nearly 90 eligible countries and regions, two-year multiple-entry validity with 180-day stays per entry, required documents, processing times, Taiwan passport special requirements, and more — everything you need to obtain your UK eTA.