Local wisdom inherited by our ancestors has gradually been abandoned by present generation. Local wisdom actually taught us to live harmoniously with the surrounding environtment. As such. the environtment should be well - preserved for human own purposes. https://www.roneverhart.com/Motivo-Tour-Rolling-Upright-Walker-Folding-4-Wheel-Rollator-with-Tray-Cup-Holders-Seat-Storage/