Day trip from Tallinn to Narva. Guided tour of Kreenholm Manufacturing Complex: industrial history, red-brick architecture, worker lives, Soviet era. See Narva border bridge, Estonian 5-kroon platform, Town Hall. Lunch break (own expense). Walking tour of Old Town, riverside promenade, Baroque Town Hall Square, Narva Castle, Ivangorod Fortress views. Soviet legacy and modern cultural identity.