[fetchChannelEpgs|]SELECT * FROM channels_epg e WHERE e.channel_vendor_id IN (21722) and e.start>=:date1 and e.start<:date2 - 7 ms [fetchChannelEpgs|execute]{":date1":"2026-08-28 04:00:00",":date2":"2026-08-30 08:00:00"} - 7-77 ms Science | Underground Marvels
Freitag, 15:00
Underground Marvels
Grand Canyon's Lost Treasure, E2S2
Descending more than 200 feet beneath the Arizona bedrock lies the largest dry cave system in North America; experts explore this vast subterranean network to reveal the mysteries and undiscovered treasure that remain hidden within its walls.
