A quick history of Barcelona’s HOHO: early open-top buses, route expansions, and modern fleets.

Open-top buses began as novelties, then matured into multi-line city networks.

Tip: Old photos are fun; the city’s silhouette has shifted with new towers.
HOHO evolved alongside Barcelona’s growth, making panoramic exploration democratized.

Tôi viết hướng dẫn này để việc đi hop‑on hop‑off ở Barcelona trở nên đơn giản, linh hoạt và đầy mẹo địa phương hữu ích.
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