With the London Olympics only a few months away, attention has already turned to what kind of legacy will be left behind.
Barcelona, which hosted the games back in 1992, has been hailed as the Olympics that set the standard.
Former London Mayor Ken Livingstone once describing the east London project as "Barcelona-on-Thames".
The Spanish city redeveloped its port, creating a sweep of new beachfront but many of the flagship sporting venues have struggled.
Sports editor David Bond reports in the second of his series from former host cities.
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