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https://pokemonblog.com/2020/07/31/new-pokemon-go-raid-bosses-now-include-shiny-alolan-exeggutor-dratini-vibrava-salamence-rayquaza-and-more-for-dragon-week/
New Pokémon GO Raid Bosses now include Shiny Alolan Exeggutor, Dratini, Vibrava, Salamence, Rayquaza and more for Dragon Week