Hydrography explained to kids

[@lmclm1755]

Excellent, clear and comprehensive introduction. It makes us want to learn more

[@lensabicara93]

Nice...... Simple explanation for public

[@lawhill]

Excellent video - thank you for sharing! We would welcome more of these for our maritime students!

[@HydrographicSurveyor]

👏👏👏👍👍super

[@triariya7179]

very enlightening video....thank you sir...!!!

[@mahdihasan3327]

thanks for your discover

[@vijaykumar-lq6zj]

thank you sir...

[@hydro6465]

amazing video!

[@mindsvoices]

Thank you

[@hafezahmad3747]

thanks