Dehradun couple makes butter during 20-km jog, video wins heart

A couple from Dehradun, Uttarakhand has gone viral for their fitness experiment video. They made butter while completing a 20-kilometre run. The couple carried fresh cream inside sealed bottle in backpack, allowing the movement during the run to naturally churn it into butter. The wholesome video amused and inspired viewers online, with many praising the couple's fitness, creativity and energy.