sentences:  Following the initial journey by Truchanas in 1954 and the complete journey in 1958 through the splits, the photographs taken by Truchanas were destroyed in the 1967 Tasmanian fires.Southwell and others in the 1970s tended to free float on an inflatable water mattress through the splits to alleviate some of the issues arising from using fixed structure boats travelling through.Photographs by Truchanas, Les Southwell, and Dombrovskis  show the steep narrow nature of the splits dramatically in their photographs.