Yandex is a russian search engine, but it is not only a search engine.
It has news of all kind and a usefull preview tools for video, so you not need to visit the original site to view a video, but you can see it from Yandex.
As all site of this kind you can select the level of protection regarding parental control and kind of images/video (explicit, filtered and so on).
Yandex is available in two languages: English and Russians