Indlela Amasiko Amanzi Amandulo Azitshintsha Ngayo Izixeko Zanamhlanje
Ngaphantsi kwensimbi engenasici kunye neenzwa ezingenachuku zilala isithethe somntu oneminyaka engama-4,000 - ukwabelana ngamanzi kawonkewonke. Ukusuka kwimisele yaseRoma ukuya eJapanmizuizithethe, imithombo yokusela ifumana ukuvuselelwa kwehlabathi njengoko izixeko zibaxhobisa ngokuchasene nokuxhalaba kwemozulu kunye nokuqhekeka kwentlalo. Nasi isizathu sokuba abakhi bezakhiwo ngoku bababiza ngokuba "unyango lwe-hydration kwimiphefumlo yasezidolophini."