In the US, the most common size is 8 in Ã 8 in Ã 16 in (20 cm Ã 20 cm Ã 41 cm); the actual size is usually about 3/8 in (1 cm) smaller to allow for mortar joints. Cinder blocks differ from concrete blocks in their aggregate content.
Geography of Seychelles. The Seychelles is a small island nation located in the Indian Ocean northeast of Madagascar and about 1,600 km (994 mi) east of Kenya. Seychelles lies between approximately 4ÂºS and 10ÂºS and 46ÂºE and 54ÂºE.
Praslin Island, Seychelles. One of the Seychellesâ most popular destinations, Praslin is home to fantastic beaches and intimate hotels and resorts. Soak up the sun in style while you keep a sunglassed eye out for the very rare bird species that dwell on Praslin, including the Seychelles bulbul and the black parrot. Praslin National Park in the island's south contains the spectacular palm forest of VallÃ©e de Mai.