Biking on a Sine Curve
Image Credits:
Motorbike: https://www.pngfind.com/mpng/hJhxoJw_motocross-png-icon-free-moto-cross-icon-transparent/
Sun covered with clouds: https://www.pinclipart.com/pindetail/hmTwi_sun-behind-the-cloud-vector-clipart-image-sun/