Photos: Behind the scenes with a 'white gold' harvest in northern Spain
Dubbed "white gold" because of its color and high price at the market, this carefully-cultivated variety of asparagus must be harvested at night to protect it from sunlight.
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, a temporary worker using a lantern, collects asparagus from the field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Saturday, June 2, 2018 photo, Blas, 53, a Spanish temporary worker, collects asparagus from the field using a lantern in Uterga, around 15 km (9 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, a temporary worker using a lantern collects white asparagus from the field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, temporary worker Evin, 25, from Cameroon, collects white asparagus from the field early morning, in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, a temporary worker using a lantern collects white asparagus from the field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, temporary worker Evin, 25, from Cameroon, pauses on his job, as he collects asparagus from the field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Saturday, June 2, 2018 photo, seasonal workers collect white asparagus from the field using lanterns in Uterga, around 15 km (9 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this photo taken on Saturday, June 2, 2018, seasonal workers collect white asparagus in Uterga, around 15 km (9 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, temporary worker Evin, 25, from Cameroon, cleans white asparagus after collecting them from a field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Saturday, June 2, 2018 photo, Maria 39, a seasonal worker, prepares white asparagus after collecting them from a field in Uterga, around 15 km (9 miles) from Pamplona, northern Spain. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, a temporary worker using a lantern, collects white asparagus from the field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, temporary worker Evin, 25, from Cameroon, pauses on his job in his muddy boots, as he collects white asparagus from a field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, Pedro Pascual, 53, arranges white asparagus after collecting them from a field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, seasonal workers collect white asparagus from a field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, a temporary worker using a lantern collects white asparagus from a field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. (AP Photo/Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this Thursday, May 31, 2018 photo, a temporary worker drinks water, as he collects asparagus from a field in Caparroso, around 85 km (52 miles) from Pamplona, northern Spain. Dubbed the "white gold" of these northern Spanish farms because of their color and the high price they fetch in markets and restaurants around the world, the stringy delicacy is planted every fall and picked each year between April and June, at the height of the spring. (AP Photo / Alvaro Barrientos)
Spain Asparagus Photo Gallery
In this photo taken on Saturday, June 2, 2018, seasonal workers collect white asparagus in Uterga, around 15 km (9 miles) from Pamplona, northern Spain. (AP Photo/ Alvaro Barrientos)