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这个倒也没什么争议，官网写着：RESTRICTIONS
Children must be at least 4 feet (122 cm) tall to go on the tour. Visitors may not carry babies on the tour. Those under 4 feet (122 cm) tall may enjoy the Family Zone..
Children under 16 must be accompanied by an adult when visiting the Future of Flight Aviation Center & Boeing Tour.
Still photos and video cameras, electronic devices (mobile phones, cameras, pagers) and personal items (purses, bags, backpacks) are not permitted on the Boeing Tour. Free lockers are available on-site.
Early arrival is strongly recommended. If guests do not arrive promptly for their scheduled tour, the reservation will be forfeited. Refunds will be provided if the Boeing Tour is canceled for any reason.
Tickets can be purchased at the door with no guarantee of tour availability, so advance tickets are highly recommended, especially during peak season, May-September.
If you encounter any difficulties during this transaction, contact the Future of Flight at 1-800-464-1476 (toll-free in the U.S. and Canada) between 8 a.m. and 5:30 p.m. Pacific time.
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