class ImageURL:
    RANDOM_CONTRAST = 'https://source.unsplash.com/random/400x800?logo'
    RANDOM = 'https://source.unsplash.com/random/400x800'
    BUILDING = 'https://images.unsplash.com/photo-1487653557405-97ba52327f93?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=800&ixid=eyJhcHBfaWQiOjF9&ixlib=rb-1.2.1&q=80&w=400'
    OPENCV_LOGO = 'https://i.pinimg.com/originals/d5/14/77/d5147798dc96186eb172a41ffbbeab78.jpg'
    CHESS = 'https://source.unsplash.com/random/400x800?chess'
