i.ytimg.com/vi/5lysCafyLVM/maxresdefault.jpg

php - Fetch highest thumbnail resolution - Stack Overflow

i.ytimg.com/vi/IXkBd4Ne5n4/maxresdefault.jpg?sqp=

] Thumbnail download fails completely if maxresdefault.jpg is not available · Issue #21588 · ytdl-org/-dl · GitHub

maxresdefault thumbnails - Stack Overflow

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