Retiro is a barrio or neighborhood in Buenos Aires, Argentina. Located in the northeast end of the city, Retiro is bordered on the south by the Puerto Madero and San Nicolás, and on the west by the Recoleta. From Wikipedia
A sinkhole near Puente Bosch has compounded summer track renewals; Mitre’s Tigre branch will be suspended with Roca line operating on limited schedules into late August.