1st Dutch Diploma

① memo 20180915 ~ 1st Dutch Diploma ~ Important in Holland – the Swimming Diploma – the first diploma for most 5-7 year-old kids , and requiring diving through a hole and swimming with clothes

Polder Pool Sound

① memo 20180520 ~ Polder Pool Sound ~ The sound of frogs and birds at dawn with the iPhone in a shallow polder pool in the Green Heart in Holland , using an Ambeo (Sennheiser – Apogee) headset for binaural sound on the iPhone X

5AM Geese Alarm

① memo 20160814 ~ 5AM Geese Alarm ~ Polder pool in Alphen , Holland