xiaoyoukeng recreation area geological park with steaming volcanic sulfur vents at yangmingshan

agriculture area asia asian beautiful beitou bloom blossom blue bridge bubalis bubalus buffalo cattle chinese chingtienkang city cow creek culture field fireworks fishermans geological grass grassland green herd jingshan lake lawn meadow milk miscanthus mountain new north park pond qingtiangang recreation shanghuangxi silvergrass steaming sulfur sulphur suspension taipei taiwan tamsui valley vents volcanic water waterfall wharf xiaoyoukeng yangmingshan