which extends along South Africa"s west coast to Namibia. On a day with decent water visibility, freedivers can be seen wading in and out of the shallows, their extra-long fins – for energy-efficient movement – tucked underarm. Cold water enthusiasts brave the ocean in just a bathing suit and weight belt, while most opt for thick wetsuits, gloves, socks and hoods. Some divers can hold their breath for seven minutes, others are building up from a few seconds.

อ่านต่อได้ที่  :  โรงเรียนบ้านชัฏหนองหมี

สาระน่ารู้  :  ไวรัส