The 12 boys and their soccer coach rescued from a flooded cave in Thailand waved, smiled and offered traditional “wai” greetings in their first public appearance on Wednesday at a national broadcast in the northern province of Chiang Rai. According to Reuters, the boys, who sported crisp haircuts, had gained an average of 6.6 lb each since the rescue, and rain through confidence-building exercises ahead of Wednesday’s event, the hospital director said.