Gemme di Luce - Telperion and Laurelin, Angband, Ungoliant

These landscapes are part of the Artbook by Eterea Edizioni : https://etereaedizioni.com/product/gemme-di-luce-artbook-dei-tempi-antichi/
which explores the incredible places of the first Ages of Arda in The Silmarillion by J.R.R. Tolkien