For motorcycling enthusiasts in Latvia, it's a day to enjoy by taking part in the annual motorcycling event held in Riga (Photos: Xinhua)

For motorcycling enthusiasts in Latvia, it's a day to enjoy by taking part in the annual motorcycling event held in Riga

For motorcycling enthusiasts in Latvia, it's a day to enjoy by taking part in the annual motorcycling event held in Riga

For motorcycling enthusiasts in Latvia, it's a day to enjoy by taking part in the annual motorcycling event held in Riga