var body: some View {
        
        ZStack {
            Image("launchBack")
                .resizable()
                .edgesIgnoringSafeArea(.all)
                .scaledToFill()
                .frame(maxWidth: .infinity, maxHeight: .infinity)   
            NavigationStack {
                NavigationLink(destination:  WasserDetailView()) {
                    Text("Show water detail view")
                        .foregroundColor(.red)
                } // end link
            }   .frame(maxWidth: .infinity, maxHeight: 200)      
        } // end zstack
    } // end body
} // end view