Pokemon Emerald Part #40 - The Battle Arena and Battle Tower
Pokemon Emerald episdoe 21 - Battle tent i Verdanturf town - YouTube
The poorly translated battle tent from Pokemon Emerald : r/pokemon
A few days ago I posted about a shiny Trapinch in the battle tent on Pokemon Emerald, now There's this. i think I'll stop going to the tents now. : r/pokemon
Pokemon Emerald - CW - Part 11: Slateport Site Battle Tent (HD 1080p) - YouTube
Battle Factory (Generation III) - Bulbapedia, the community-driven Pokémon encyclopedia