Photos

Traditionally during the stops in the Tall Ships' Races, sporting competitions are organized by the receiving cities, so that the different crews could meet and compete together on land rather than at sea. Tug of war was one of these competition in Bergen last summer, a very old sport, which seems basic but where there is more technique and tactics than you can thing initially, especially because you have to keep your ground as best as you can.
Here, a team of the Dutch ship Endracht (in orange), supported by some sailors of the French Etoile (in blue), competing with a South American team (in workshop 1) and one last pull (in workshop 2).

PS Elements 6.0

I also discovered on Wikipedia that Tug of War has been an olympic sport in the early times of the Games:
Tug of war was contested as a team event in the Summer Olympics at every Olympiad from 1900 to 1920. Originally the competition was entered by clubs, which meant that one country could win several medals. This happened in 1904, when the United States won all three medals, and in 1908 when the podium was occupied by three British teams. Sweden was also among the top countries with two medals, one as a member of the mixed team.