This is a simple script to find differences and move your photos to and fro.
The config example (get your token at https://oauth.yandex.ru/authorize?response_type=token&client_id=e053600697f8401dbca06747f99d4904):
local:
path: /volume1/photos
ignore:
- "@eaDir"
- ".DS_Store"
- "Thumbs.db"
remote:
path: Photos
token: y0_XXXXXXX
workers: 5
api_timeout: 30s
download_timeout: 300s