- moscowpoi.blogspot.com 2015/08/10-alexander-…The Tomb of the Unknown Soldier. The middle section of the upper garden contains a faux ruined grotto built underneath the Middle Arsenal Tower.
- geocaching.com geocache/GC2M3PV_grotto-in-…Grotto in Alexander Garden. Traditional. GC2M3PV.
- moscow-driver.com photos/moscow_sightseeing/…...as part of the 1812 fire renovations of the city and constructed in 1821 at the edge of a man-made hill underneath the Middle Arsenal Tower in Alexander Garden.
- iqvel.com en/a/Russia/Alexander-GardenThe main attraction of the Upper Garden is the Ruina Grotto, and it is also called the Italian Grotto".
- wikidata.org wiki/Q21639958Also known as. English. Grotto in Alexander Garden. tourist attraction in Tverskoy District, Russia.
- OpenTripMap.com en/card/N1666070895
- deviantart.com walentywalewski/art/Irina-Levi-at-…In this photo: my wife at the Italian Grotto in the Alexander Garden of the Moskow Kremlin.
- alexanderpalace.org 2006tsarskoe/grotto.htmlDuring the reign of Alexander II a landing place was constructed in front of the Grotto. The interior of the Grotto consists of one large hall, divided by two arches.
- 4traveler.me en/travel/moscow/alexander-garden-…View towards Mokhovaya Street. The garden was named Alexander in honor of Alexander I. This happened in 1856, after the death of the emperor.