Видео с ютуба 30 Day Challenges

Pay The Price / The 30-day Challenge (1956) by Earl Nightingale

Try something new for 30 days - Matt Cutts

I Tried 30 Viral Health Trends For 30 Days to See What's Worth It

Push Up Challenge That Will Change Your Life (30 DAYS RESULTS)

Я попробовал самую продуктивную в мире программу в течение 30 дней

Day #2 Summer Body 30 Day Workout Challenge Beginner Friendly at Home

Leslie Sansone Walk It Off 30-Day Challenge

20 Self-Improvement 30-Day Challenge Ideas: Build new habits

Day #1 Summer Body 30 Day Workout Challenge Beginner Friendly At Home