41. The vaults of the small, cross-shaped structure are clad with mosaics on blue background. 42. The elevators in Terminal B are cased in stainless steel accordion shaped structures designed by Rachel Hecker. 43. The aqueduct itself is a large U-shaped structure , which is also constructed of bricks. 44. In the spring, the adult females of this species lay eggs in tower-shaped structures . 45. Most events take place in the open brick courtyard in the center of the horseshoe shaped structure . 46. Rock wells, rock-cut stairways, corridors, and horseshoe-shaped structures are found. 47. It is composed of cone-shaped structures called mammillae at the base of each shell unit. 48. The building is a single story T-shaped structure built of native untooled and uncoursed stone. 49. It is an irregular shaped structure and additions are discernible in variations in the construction and fabric. 50. But in reality a typical pore is a random network of the unevenly shaped structures of different sizes.
