BILBAO, Spain (Reuters) -Grinning mischievously, Juanjo Urbizu dons a baseball cap, tucks his T-shirt neatly into his sweatpants and adjusts the velcro straps on his elbow pads before positioning his skateboard on the bowl's edge, ready for the "drop".
Other skaters, dressed in baggy streetwear, crane their necks while the sun casts long shadows over the graffiti-covered concrete.
