Safaris sometimes involve flying to remote locations in small planes that usually have a weight limit for bags, so packing light is key.

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This imperfect, if not inverse, relationship between density and wealth is widely ignored by most urban core boosters, many of whom argue that packing people together is the true key to economic growth.

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It can send a team packing, as was the case in Seattle where a deal could not be reached to replace Key Arena and the Supersonics ultimately relocated to Oklahoma City.

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