From Dr Geoff Lindsey.

The amazing pronunciation of sibilants sounds across Spanish accents around the world, comparing their phonetics and phonology with English
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Enormous thanks to Hernán Ruiz for sharing his expertise with me. Of course all errors in the video are entirely mine.
Drone ace Pablo Demarchi

0:00 Introduction
0:34 Y, LL
7:32 S reduction
11:01 RR

Como la cigarra por Mercedes Sosa https://www.youtube.com/watch?v=h0QFkpUhBFo

Map of s-reduction by Fobos92 https://commons.wikimedia.org/wiki/File:Aspiración_de_-s-_en_el_español_de_Europa.png
Tini Movistar Plus+ International https://commons.wikimedia.org/wiki/File:Tini_(2021)_01.png
Messi Hossein Zohrevand Lionel-Messi-Argentina-2022-FIFA-World-Cup (cropped).jpg
Sofia Vergara Maqui015 Vlogs https://commons.wikimedia.org/wiki/File:Sofía_Vergara_2017.png
Pedro Pascal Gage Skidmore https://commons.wikimedia.org/wiki/File:Pedro_Pascal_(35282848054).jpg
Antonio Banderas Ministerio Secretaria General de Gobierno https://commons.wikimedia.org/wiki/File:Lanzamiento_Película_"Los_33"_(12239265905).jpg