Day trip from Tallinn to Narva. Visit Kreenholm Manufacturing Complex for guided tour of industrial history, red-brick architecture, worker lives, Soviet operations. See Narva border bridge and river. Photo stop at Estonian 5-kroon platform, break by Town Hall. Lunch at own expense. Walking tour of Old Town and riverside promenade: Baroque Town Hall Square, Narva Castle, Ivangorod Fortress views, Soviet legacy, modern development.