Stock Photo - 01 February 2020, Mecklenburg-Western Pomerania, Rostock: Bus and tram drivers block the access to the Rostocker Straßenbahn AG during another warning strike in the public transport system and are reflected in a large puddle of rain. The union verdi wants to increase the pressure on the municipal employers in the collective bargaining conflict in the public transport sector. The union is demanding a wage increase of 2.06 euros per hour for the approximately 1,500 employees of local public transport companies with retroactive effect from 1 January and an adjustment step of 100 euros to other collective bargaining areas. Photo: Jens Büttner/dpa-Zentralbild/dpa. - Rostock/Mecklenburg-Western Pomerania/Germany