Nevertheless, protection zones around observatories existed well before the creation of that preserve.
en.wikipedia.org However, congestion pricing schemes have been used with the main objective of improving urban quality and to preserve historical heritage in the small cities.
en.wikipedia.org Thick blubber deposits provide insulation, as well, and blood vessels in the flippers and legs have evolved intricate structures to preserve heat.
en.wikipedia.org The national preserve is 1,334,200 acres (5,430 km), of which 1,304,132 acres (5,278 km) are federally owned.
en.wikipedia.org Some of these methods are the deadwood techniques, which create, shape, and preserve dead wood on a living bonsai.
en.wikipedia.org