Lost among the towers and chaos of downtown Dakar, colonial style, art-deco, and brutalist style buildings can still be found. Architect Carole Diop conducts tours to help visitors discover the architectural treasures of Senegal's capital. A heritage now in danger because of urban development and rising rising land prices. "With a square meter that is close to 3000 euros" she says, historic buildings "are worth less than the land on which they are located." IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES N°36WA9A3