Baydi Wague, 11, waters a newly planted tree at a Tolou Keur garden in Boki Diawe, within the Great Green Wall area, Matam region, Senegal, July 12, 2021. Gardens known as 'Tolou Keur' hold plants and trees resistant to hot, dry climates, and are planted with circular beds that allow roots to grow inwards, trapping liquids and bacteria and improving water retention and composting. REUTERS/Zohra Bensemra SEARCH "BENSEMRA REFORESTATION" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY