The aim of strain

Kennemer oxygen park, today. Core [ strength ]

Temperature: 32.1°C; humidity: 34%; precipitation: 0 mm; sea level pressure: 1015 hPa; wind: NNE 8.0 km/h; visibility: 10.0 kilometres; Clouds: Few 1463 m.; Moon: Waxing Gibbous, 62% visible

Go slow. All show leads to exhaustion. "The aim of strain,"  Ruud Wielart says ''... is relaxation and fun."