The chief building has straight walls with rectangular openings for windows. There are no beautiful arches, no carving, and no stained glass. The roof is made in tiers, which overlap one another, and are covered with beautiful coloured tiles--amber, gold, green, scarlet, and blue. Groups of great teak pillars are so arranged that a cool and shady walk surrounds the building. The outside, with the exception of the roof, is whitewashed, and when the midday sun beats down upon the _wat_ the place glitters and shines--one big splash of white crowned with fantastic colours. Inside there is little light, and if the roof be high the rafters are hidden in darkness. At the far end sits an enormous gilded image of Buddha, surrounded by smaller images of himself and his disciples, some with raised hands, as if about to speak; others with fans before their faces, as if to shield them from the evils and the sorrows of the world. The number of these images is sometimes very great. In one of the temples in Ayuthia, the old capital, there are no fewer than 20,000 of them. At the end of the ridge of the temple roof, at the corners of the gables, and in many other places, there are graceful curved horns. These represent the head of the Naga, or snake with seven heads, who curled himself round the Teacher's body and shielded him with his seven heads when he was attacked by the Evil One under the Bo-tree. In connexion with the temple there are one or more _salas_, or rest-houses. To build a _sala_ is another way of making merit, and as it costs less to put up one of these wooden rest-houses than to build a temple, there are thousands of them in the country. They are to be found upon the banks of the rivers and canals, in lonely parts of the jungle, on waste land near the towns and villages--in fact, almost anywhere and everywhere. They consist of a platform raised a few feet above the ground, and covered by a roof which is supported on a few poles. There are no walls or partitions. Here the traveller may rest, eat, and sleep. He pays no rent, gets no comforts, and is often interfered with by the local lunatic, the casual traveller, or a crowd of merry, inquisitive children. He may not complain, for the slender platform is free to all comers.