Pick the right HOHO line: Blue for Gaudí, Red for Old Town/Waterfront, Green for seasonal coastal run.

Which line fits your plan? Here’s the quick picker.
| Your Focus | Choose |
|---|---|
| Gaudí Icons | Blue |
| Gothic + Marina | Red |
| Beaches + Forum | Green (seasonal) |
Tip: If unsure, start Blue for orientation, swap to Red after lunch.
Line choice shapes your day — pick based on icons.

我写下这份指南,让巴塞罗那的 hop‑on hop‑off 更简单、灵活且充满本地实用建议。
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