Timbuktu increased competition from newly available trans-Atlantic sailing routes caused the city to decline. The first European to reach Timbuktu, Alexander Gordon Laing, did not arrive until 1826, and it was not until the 1890s that Timbuktu was formally incorporated into the French colony of Mali. Today, the city is still inhabited; however, the city is not as geopolitically relevant as it once was. Timbuktu is located on the southern edge of the Sahara north of the main channel of the River Niger. The town is surrounded by sand dunes and the streets are covered in sand. The port of Kabara
Timbuktu is now grown in three relatively large irrigated areas that lie to the south of the town: Daye (392 ha), Koriomé (550 ha) and Hamadja (623 ha). Water is pumped from the river using ten large Archimedes' screws which were first installed in the 1990s. The irrigated areas are run as cooperatives with approximately 2,100 families cultivating small plots. Nearly all the rice produced is consumed by the families themselves. The yields are still relatively low and the farmers are being encouraged to change their agricultural practices. Most tourists visit Timbuktu between November and February when the air temperature is