Here are some external links about what I enjoy.
Also, friends and colleagues.
I was there:
ici.
Distributive lattices are beautiful and well understood structures and it is always nice to identify a distributive lattice on a finite set C of combinatorial objects.
—Felsner, S. (2004), Lattice structures from planar graphs. The Electronic Journal of Combinatorics, 11(1), 15.