https://joy.videvo.net/videvo_files/video/free/2015-01/large_watermarked/Med_25__Videvo_preview.mp4 Storing Sample in Liquid Nitrogen Storing a sample in liquid nitrogen. Ungraded Prores footage. 1080pfreezefreezingfrozenhospitalliquidmedicalmedicinenitrogenresearchsamplesamplesstoragestoringtesting