Tr%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BDng%20cao%20%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BDng,%20Trung%20c%EF%BF%BD%EF%BF%BD%EF%BF%BDp tại Long Biên