This innovative team has won a prestigious annual award four times for being the world's leading luxury train. It has created a service ethic for excellence that is unsurpassed and passengers are assured of experiencing a memorable holiday. Their most exciting tour on offer must surely be the month long Cape to Cairo tour which is offered every two years. Transported at various times by either road, rail, boat or aircraft passengers travel the length of Africa in luxurious style. Particulate air pollution is really a combination of solid and liquid particles which are suspended up which you breathe. It is best to classify air particles through the aerodynamic properties since these properties determine removing them through the air, and where they deposit in your the respiratory system. Darkness and lightweight are themes that run heavily through Van Gogh's work. Darkness and light reflected his wish create beauty, his feelings of inadequacy, and his need to touch the souls of males. For instance, Starry Night draws the viewer to the painting of the sleeping village having its swirls of light and it is rich evening sky.