Destroyed boats are seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Photo taken on April 1, 2020 shows destroyed houses on the beach in Midi District of Hajjah province, Yemen. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Destroyed boats are seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

A man rides a motorcycle past destroyed boats in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

An abandoned port is seen in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Destroyed boats are seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Destroyed boats are seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

A military boat sails near destroyed boats in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Destroyed boats are seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Photo taken on April 1, 2020 shows destroyed houses on a beach in Midi District of Hajjah province, Yemen. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

People walk near destroyed boats in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

Destroyed boats are seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

A military vehicle runs past destroyed boats in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)

A destroyed boat is seen on the beach in Midi District of Hajjah province, Yemen, April 1, 2020. A large number of fishermen in northwest of Yemen suffer from harsh economic conditions as a result of the ongoing conflict and destruction of their boats and fishing equipment by the war. (Photo by Mohammed Alwafi/Xinhua)