diff --git a/src/app/Console/Commands/AlgoliaImportWorldHeritages.php b/src/app/Console/Commands/AlgoliaImportWorldHeritages.php
index 2e43adc..74576ae 100644
--- a/src/app/Console/Commands/AlgoliaImportWorldHeritages.php
+++ b/src/app/Console/Commands/AlgoliaImportWorldHeritages.php
@@ -69,6 +69,7 @@ public function handle(): int
                 'world_heritage_sites.criteria',
                 'world_heritage_sites.year_inscribed',
                 'world_heritage_sites.is_endangered',
+                'world_heritage_sites.main_image_url',
             ])
             ->chunkById($chunk, function ($rows) use ($client, $indexName, $dryRun, &$processed): void {
                 $objects = [];
@@ -136,7 +137,8 @@ public function handle(): int
                         'criteria' => $row->criteria,
                         'year_inscribed' => $row->year_inscribed !== null ? (int) $row->year_inscribed : null,
                         'is_endangered' => (bool) $row->is_endangered,
-                        'thumbnail_url' => $row->images->first()?->url,
+                        'main_image_url' => $row->main_image_url,
+                        'thumbnail_url' => $row->main_image_url ?? $row->images->first()?->url,
                         'state_party_codes' => $statePartyCodes,
                         'country_names_jp' => $countryCount > 1 ? $countryNamesJp : [],
                     ];
diff --git a/src/app/Packages/Domains/WorldHeritageQueryService.php b/src/app/Packages/Domains/WorldHeritageQueryService.php
index e99669c..3f4a0c3 100644
--- a/src/app/Packages/Domains/WorldHeritageQueryService.php
+++ b/src/app/Packages/Domains/WorldHeritageQueryService.php
@@ -199,6 +199,7 @@ public function getHeritageById(int $id): WorldHeritageDto
             'state_parties_meta' => $statePartiesMeta,
             'short_description_jp' => $heritage->descriptions->short_description_ja,
             'images' => $imageCollection->toArray(),
+            'main_image_url' => $heritage->main_image_url,
         ]);
     }
 
@@ -322,6 +323,7 @@ private function buildWorldHeritagePayload($heritage): array
             'short_description' => $heritage->short_description,
             'image_url' => $heritage->images->first()?->url,
             'unesco_site_url' => $heritage->unesco_site_url,
+            'main_image_url' => $heritage->main_image_url,
             'short_description_jp' => $heritage->descriptions?->short_description_ja,
             'state_parties' => $statePartyCodeList,
             'state_parties_meta' => $statePartiesMeta,