For the service we did the following:

• A turnkey website
• User registration and moderation
• A photo catalog linked to geographic locations
• Catalog moderation
• A shopping cart for buying photos
• Payment for selected photos via Yandex Kassa and Sberbank acquiring
• Watermark protection for stored photos
• Packaging of purchased photos
• Access to photos via a link after purchase
• Multi-currency photo prices
• Payouts from photo sales to a Yandex Money wallet