Robuta

https://en.wikipedia.org/wiki/53rd_parallel_north Circles of latitude between the 50th parallel north and the 55th parallel north - Wikipedia circles of latitude 50th parallel north https://en.wikipedia.org/wiki/55th_parallel_north Circles of latitude between the 50th parallel north and the 55th parallel north - Wikipedia circles of latitude 50th parallel north https://en.wikipedia.org/wiki/51st_parallel_north Circles of latitude between the 50th parallel north and the 55th parallel north - Wikipedia circles of latitude 50th parallel north