@funnyrrel on Instagram: "The post shares a 14-second video of septuagenarian friends piloting live-steam model trains along garden tracks amid greenery, capturing a serene group activity that contrasts with high-stress modern life. - Model railroading, as depicted, boosts cognitive health; a 2025 study in the Journal of Aging and Mental Health found it activates problem-solving skills and reduces isolation in older men by fostering community. - With 2.7 million views in two days, the clip taps