S%EF%BF%BD%EF%BF%BD%EF%BF%BDn%20ph%EF%BF%BD%EF%BF%BD%EF%BF%BDm%20t%EF%BF%BD%EF%BF%BD%EF%BF%BD%20nh%EF%BF%BD%EF%BF%BDm,%20%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BDng tại Long Biên