diff --git a/assets/drawio/236.lowest-common-ancestor-of-a-binary-tree.drawio b/assets/drawio/236.lowest-common-ancestor-of-a-binary-tree.drawio
new file mode 100644
index 000000000..e4d663a18
--- /dev/null
+++ b/assets/drawio/236.lowest-common-ancestor-of-a-binary-tree.drawio
@@ -0,0 +1 @@
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diff --git a/assets/drawio/binary-tree-traversal.drawio b/assets/drawio/binary-tree-traversal.drawio
new file mode 100644
index 000000000..076705232
--- /dev/null
+++ b/assets/drawio/binary-tree-traversal.drawio
@@ -0,0 +1 @@
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