English: "The non-stop train is passing through this station, please stand behind the yellow line." Rare sight starting from yesterday: Fangshan Line train on Line 15 - all thanks to L15's train shortage! But this train, labeled inside as 15 098, only runs in non-peak hours as "extra-curricular trains", and skips Houshayu and Maquanying. Interestingly enough, Line 15 was wrongly marked orange (same as Fangshan Line), instead of purple, on subway network maps in December 2010. 11 years later, orange trains finally entered service on Line 15!