Last May, me and some classmates visited Tallin. Invited to Tallinna Laagna Lasteaed-Põhikool, in the outskirts of Tallin, as part of an Erasmus+ KA121 project called Zero Waste, we could discover and enjoy the nice atmosphere of the city as well as the kindness of its people. We really enjoyed our stay and could explore both the new town, being captivated by the stylish new buildings which have kept a part of their old structure in the outside to recall their origin , and the old town with its colourful ancient houses, walls, towers, churches and hidden alleys. We also investigated how Tallin is facing ecological transition and were surprised at how many ecological options they have: tram, electric buses, bikes and so on. By visiting a trash processing factory we learnt a lot about different objects and materials that you can get from different types of rubbish: plastic, metat, cardboard... We did not know what to expect from the country, its people and culture ...