sentences:  The Veresk bridge connects the railway between Tehran and the Caspian Sea region.It is located in Mazandaran Veresk district of Savadkuh, 85 kilometers south of Ghaemshahr and connects two of the mountains in the Abbas Abad region.The bridge is one of the masterpieces of the Danish engineering firm Kampsax, (consisting of Danish, German and Austrian engineers) serving the Trans-Iranian Railway network in Northern Iran.