Aestivation Aestivation Aestivation or æstivation (from , summer, but also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. It takes place during times of heat and dryness, the hot dry season, which are often the summer months. Invertebrate and vertebrate animals are known to enter this state to avoid damage from high temperatures and the risk of desiccation. Both terrestrial and aquatic animals undergo aestivation. The fossil record suggests that aestivation may have evolved several hundred
Arabian Hall of the Winter Palace Arabian Hall of the Winter Palace The Arabian Hall, sometimes known as the Blackamoor Hall or the Arabian Dining Room, is one of the private rooms of the Winter Palace in Saint Petersburg. In the Tsarist era, it was the room from which imperial processions through the state rooms began. The double doors were designed to be on a straight axis through the principal state rooms and ultimately the Jordan Staircase, forming an enfilade. Thus it was here the Romanov family often assembled, in private, before state receptions and occasions. The privacy of the room was not compromised by the