To enter the estate, guests must cross a salt marsh by wooden bridge, access an electronic gate and drive through a barn-turned-gatehouse.

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Passengers, as in this case, who refuse to comply with security procedures are denied access to the secure gate area.

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Mr. Tikvesa, who is 6-feet, 5-inches tall and calls strangers "boss, " gets printouts of top-tier customers with tight connections and has access to flight updates and gate information on his smartphone.

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