All-natural lights from a window, or artificial lighting that mimics natural lights in a very darkish area, is vital to establish on a daily basis-to-night cycle in captivity.Apie autori? erdv?? filosofijoje ??tikrov?s suvokimo matmuo, ?galinantis atlikti mechanin? judes?, teikiantis artumo??tolumo santykius, d?l kuri? suvokiame objektus kaip esan