Unused tickets without admission reservations for the World Exposition in Osaka can be exchanged at the venue from Saturday through Oct. 12 for same-day entry valid from noon, organizers said Thursday, with more than 1 million tickets remaining unused with less than a month to go before the event ends.With visiting time slots almost fully booked through the final day on Oct. 13, some unreserved ticket holders may otherwise not be able to attend the event.The number of same-day tickets available for exchange will be limited to several hundred per day, and any ticket that cannot be exchanged …READ FULL ARTICLE