Showcases src='./bitcoin.mp4' type='video/mp4'> src='./chernobyl.mp4' type='video/mp4'> src='./cocoa.mp4' type='video/mp4'> src='./friends.mp4' type='video/mp4'> src='./music.mp4' type='video/mp4'> src='./musicformats.mp4' type='video/mp4'> src='./nadal.mp4' type='video/mp4'> src='./sales.mp4' type='video/mp4'> src='./titanic.mp4' type='video/mp4'>