Many of the rock formations that protrude out of the water in Halong Bay are laced with caves, some of which are quite large and suitable to walk through. The sunlight coming through the natural windows near the surface made quite a contrast to the darkness and dim colored lighting in the cave.
The park Hoan Kiem Lake (Lake of the Returned Sword) in the heart of old Hanoi is a beautiful public space and a center of public life in the city.
The Denver World Trade Center – Denver likes to think of itself as an “international city”.
The Equitable Building on 17th St in downtown Denver.