In Suvarnabhumi Airport (Bangkok) there is a building in aerodrome, next to the main terminal (Circle by red colour) . What is that?
1 Answer
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On page 5 of current airport chart states it is Transfer Baggage Terminal
It was officially opened on 1 November 2014 and reduce baggage transfer time from 75 minutes to 60 minutes. It was constructed above South Airside Tunnel between gate C, D and E and has usable space of about 12,550 sq.m.
Source (Sorry source is in Thai. My own translation.)
Another source in English. Similar to my original source.