diff --git a/db/nosql/clickhouse/docs/presentations.txt b/db/nosql/clickhouse/docs/presentations.txt
index 83ea7610e..27bc62e20 100644
--- a/db/nosql/clickhouse/docs/presentations.txt
+++ b/db/nosql/clickhouse/docs/presentations.txt
@@ -2,6 +2,8 @@ https://presentations.clickhouse.com/
     https://presentations.clickhouse.com/2017-shad/index.html
 
 2024
+Otus - ClickHouse Arch ru 1:00 of 1:28:21
+    https://www.youtube.com/watch?v=xpn41LXVPu4
 Otus - Kafka and ClickHouse of 1:41:20
     https://www.youtube.com/watch?v=Jp1SEm4UU48
     ! 49:00 - ClickHouse Kafka Connect Sink