Varuna is a group of Minecraft the best builders in it until they get paid for their work. And their latest work is this great entertainment of the city of Orario, from the novel / anime series DanMachi
Designed to be customized by your client – which means no, you can't download it for free – the city itself is 800×800, while if you enter the country the map size is 1500×1500. Everything is handmade and looks like building a city with a voxel I can be too much
You can see more pictures there their company page.