Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island

Students from La Palma measure the darkness at night over the island