[fetchChannelEpgs|]SELECT * FROM channels_epg e WHERE e.channel_vendor_id IN (21710) and e.start>=:date1 and e.start<:date2 - 7 ms [fetchChannelEpgs|execute]{":date1":"2026-08-13 04:00:00",":date2":"2026-08-15 08:00:00"} - 7-8 ms HISTORY | Engineering from Above
Friday, 23:03
Engineering from Above
Fortresses, E1S1
Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
