This image was acquired from
wikimedia and pixabay. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Door control button on train with finger. de Finger drckt auf Trffnerknopf venturaartist other versions INeverCry Images from Door control buttons Uploaded with button stop station underground sign symbol push design control technology metro subway city transport movement fast speed railway commuter passenger carriage door