from ipyleaflet import Map, GeoData, basemaps, LayersControl
import geopandas
import json
countries = geopandas.read_file(geopandas.datasets.get_path('naturalearth_lowres'))
rivers = geopandas.read_file("https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/physical/ne_10m_rivers_lake_centerlines.zip")
m = Map(center=(28.6019917,70.9121356), zoom = 3, basemap= basemaps.Esri.WorldTopoMap)
geo_data = GeoData(geo_dataframe = countries,
style={'color': 'black', 'fillColor': '#366370', 'opacity':0.05, 'weight':1.9, 'dashArray':'2', 'fillOpacity':0.6},
hover_style={'fillColor': '#b08a3e' , 'fillOpacity': 0.9},
name = 'Countries')
m.add_layer(geo_data)
m