21:00Operation Grand Canyon with Dan SnowEpisode 1BBC Two Duration: 58 minutes Audio described Tue 14th Nov 2017, 21:00 on BBC FourAvailable for 7 monthsWatch nowDan Snow and team take on the rapids of the Grand Canyon in antique wooden boats to rediscover one of the wild west's great adventures of discovery.ContributorsPresenter:Dan SnowGenresFactualFactualTravelSeriesOperation Grand Canyon with Dan Snow Source: BBC Online