I left the hunt running for a while
and i have 2 solvers
Stefbleue and De- frozen water
well done for the both of you
the solution for level 52 was; shift 5 back
Message; the work of Spain’s greatest painter
Telling the story of the Spanish civil war
Answer; name of painting is ..Guernica by Pablo Picasso

and the winner is ...Stefbleue
Level 53
good that there are always locals around to help you out solving a puzzle
Where can you find a prehistorical animal?
uno,doce,veinte,uno,trece,nueve,dieciocho,uno,tres,uno,veintidos,cinco
good luck to all of you

Tt