var landmarks: [Landmark]

var body: some View {
    ScrollView(.horizontal, showsIndicators: false) {
        HStack {
            ForEach(landmarks) { landmark in
                //加了这个导航就看不到图片了，CategoryHome 也不显示图片，
                //NavigationLink(destination: LandmarkDetail(landmark: landmark)) {
                    Item(landmark: landmark)
                //}
            }
        }
    }
}