While the crew enjoyed the port town at sea level, the strongest man on earth preferred to admire Barcelona from above, choosing the hilltop of Montjuic, which overlooks the city, for its magnificent views.

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Measurements in the town on Monday showed levels of the dust in the air were three times the maximum safety level.

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After months of having few expatriate workers around, the facility had an unusual number of high-level executives on site from out of town.

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