diff --git a/doc_network/images/vosviewer-default.png b/doc_network/images/vosviewer-default.png
deleted file mode 100644
index 92a0b08..0000000
Binary files a/doc_network/images/vosviewer-default.png and /dev/null differ
diff --git a/doc_network/images/vosviewer-forceatlas2.png b/doc_network/images/vosviewer-forceatlas2.png
deleted file mode 100644
index 5bcfc33..0000000
Binary files a/doc_network/images/vosviewer-forceatlas2.png and /dev/null differ
diff --git a/doc_network/images/vosviewer-spatialization-comparison.jpg b/doc_network/images/vosviewer-spatialization-comparison.jpg
new file mode 100644
index 0000000..f59b93c
Binary files /dev/null and b/doc_network/images/vosviewer-spatialization-comparison.jpg differ