In the Arizona desert, some migrants are spontaneously presenting themselves to the US Border Patrol near an opening in the wall raised under Donald Trump. With asylum applications officially frozen due to a health policy - known as Title 42 - meant to prevent the spread of Covid-19, they hope to be granted an exception via this informal gateway. In Yuma, only 11 percent of those who have presented themselves to border officials in the last nine months were rejected under Title 42. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES